Health Library

The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.

Adolescent Medicine

  • The habit of smoking is very strong: you puff on a cigarette hundreds of times each and every day—and for many years. When people who have smoked for a long time stop, they find it strange to have nothing in their hands or mouths. They have become so accustomed to handling cigarettes that their hands seek cigarettes...

  • Support groups provide encouragement when you have decided to quit smoking. Support groups can: Increase your chances of success. Keep you motivated. Allow you to express your feelings with others who understand. Give you hope and the confidence to...

  • A nicotine patch looks like an oversized adhesive bandage. The outer part of the patch sticks to your skin, while the inner portion presses against and slowly releases nicotine into your skin. See a picture of how to use these patches to help you quit smoking or stop using smokeless tobacco. Nicotine patches are...

  • The following warning signs may be present in adults who have a high risk for suicide: Depression or other mental health condition, such as severe anxiety, bipolar disorder (manic-depressive illness), or schizophrenia Depression followed by sudden cheerfulness and contentment, which may mean the...

  • The following are some obvious signs that a person may be smoking cigarettes, drinking alcohol, or using other substances. This is not a complete list of signs to look for. If you suspect a particular drug or drugs, get more information on signs of...

  • The best thing parents can do to help prevent drug and alcohol use by their children is to get involved before a problem begins. Starting when your child is age 5 or 6, talk with him or her about how these substances are harmful to kids....

  • Electronic cigarettes are battery-powered devices that turn liquid nicotine into a vapor that you inhale. These cigarettes are often called e-cigarettes. Many of them are made to look like real cigarettes. Some have a light at the end that glows...

  • Learning disabilities make it hard for your child to learn in certain areas. Your child may have trouble with listening, speaking, reading, writing, spelling, or doing math. One example of a learning disability is dyslexia. A child with dyslexia has...

  • Hear how four people kept their friends and sense of self when they quit smoking.

  • Learn some of the many immediate and long-term health benefits of quitting smoking.

  • Learn some common signs of a problem with prescription medicine misuse.

  • Get help making a plan to change your drinking habits.

  • Opioids are strong pain medicines. Examples include hydrocodone, oxycodone, fentanyl, and morphine. Heroin is an example of an illegal opioid. Opioid use disorder means using these drugs in a way that keeps you from living the life you want....

  • Some people who drink alcohol, use illegal drugs, or misuse prescription or nonprescription medicines may develop substance use disorder. This means that a person uses these substances even though it causes harm to themselves or others. Substance use disorder can range from mild to severe. The more signs of this...

  • Written tests called rating scales are used to check for symptoms of attention deficit hyperactivity disorders (ADHD). These tests can help measure and compare a child's behavior with that of other children the same age. It is best to complete one...

  • The child who is being evaluated for attention deficit hyperactivity disorder (ADHD) may be evaluated for other disorders associated with the condition, such as learning or behavior disorders. The child may be asked questions (verbal tests) or may...

  • Children and teens with attention deficit hyperactivity disorder (ADHD) do not misbehave to spite their parents or other adults. Problems develop because ADHD often causes children and teens to react impulsively and makes it difficult for them to...

  • Provides links to information about drug and alcohol misuse. Includes info on substance misuse in teens and adults and resources for cutting back or stopping drug and alcohol use.

  • Provides links to how-to information about teen health. Includes info on acne, bullying, depression, headaches, and tobacco use. Covers talking with your teen about sex and responding to substance use. Also covers anorexia and bulimia.

  • What is smokeless tobacco? Smokeless tobacco comes in many forms, such as snuff, chewing tobacco, and snus . Snuff is finely ground tobacco sold in cans or pouches. Most of the time, snuff is used by putting a "pinch" or "dip" between the lower lip or cheek and the gum. Chewing tobacco is...

  • Meningococcal ACWY vaccine can help protect against meningococcal disease caused by serogroups A, C, W, and Y. A different meningococcal vaccine is available that can help protect against serogroup B. Meningococcal disease can cause meningitis (infection of the lining of the brain and spinal cord)...

  • Learn some ways to manage family stress.

  • Looks at the problem of using alcohol or drugs as a way to cope with post-traumatic stress disorder (PTSD). Covers when alcohol or drug use becomes a problem. Includes a test to see if you have a problem with alcohol or drugs and steps for getting help.

  • Treatment helps you quit alcohol or drugs, but your recovery doesn't end there. After you're done with treatment, it's important to focus on quitting for good. After treatment, you may choose to continue with counseling or group therapy. These meetings can help you stay committed to an alcohol- or drug-free...

  • If you have a substance use disorder, your doctor may suggest treatment at an inpatient or outpatient facility. At inpatient facilities, you stay overnight. At outpatient facilities, you come only during the day. How long you stay varies among programs. How are inpatient and outpatient treatment similar...

  • In residential treatment, you live in an alcohol-free and drug-free setting while recovering from substance use disorder. How long you stay varies. You may stay for a number of months or more. Residential treatment may be a good option if you have a...

  • During pregnancy, everything you eat, drink, or take into your body affects you and your growing baby ( fetus). Pregnant women often need to make changes to have a healthy pregnancy, such as eating better or exercising. But one of the most important things you can do when you are pregnant is to avoid alcohol and drugs...

  • Anger signals your body to prepare for a fight. This reaction is commonly classified as "fight or flight." When you get angry, adrenaline and other hormones are released into the bloodstream. Then your blood pressure goes up, your heart beats faster, and you breathe faster. Many people mistakenly believe that anger...

  • Most women have painful cramps from their period from time to time. The good news is that you can usually relieve cramps with over-the-counter medicine and home treatment. Pain medicine and home treatment can help ease cramps. Stay ahead of the pain. Take over-the-counter pain medicine, such as ibuprofen (Advil, for...

  • HPV (Human papillomavirus) vaccine can prevent infection with some types of human papillomavirus. HPV infections can cause certain types of cancers including: cervical, vaginal and vulvar cancers in women, penile cancer in men, and anal cancers in both men and women HPV vaccine prevents infection...

  • Meningococcal B vaccine can help protect against meningococcal disease caused by serogroup B. A different meningococcal vaccine is available that can help protect against serogroups A, C, W, and Y. Meningococcal disease can cause meningitis (infection of the lining of the brain...

  • Learn strategies to help yourself stop emotional eating.

  • Learn ways to deal with cravings when you're trying to quit.

  • Learn what to think about and plan for when you're getting ready to quit smoking.

  • Learn how to move ahead with your plan to quit smoking after having a smoking relapse.

  • Learn to plan in advance for how you'll avoid emotional eating in the moment.

  • What is withdrawal? If you drink alcohol regularly and then cut down on how much you drink or suddenly stop drinking, you may go through some physical and emotional problems. That's because the alcohol is clearing out of your system. This is called withdrawal. Clearing the alcohol from your body is called...

  • Naloxone can stop an opioid overdose. Here's how to give it—just in case.

  • Gender identity is your inner sense of being male, female, both, neither, or some other gender. For transgender people, their gender identity does not match the sex that they were assigned at birth. Sometimes gender identity is outside the two most common categories of male or female. People who feel this way may use...

  • This topic helps readers assess whether they may have a drinking problem.

  • Learn about your treatment options for substance use disorder.

  • Learn what's happening to your body during drug withdrawal.

  • Take a minute to learn about acne and what you can do about it.

  • Opioids are strong pain medicines. Examples include hydrocodone, oxycodone, fentanyl, and morphine. Heroin is an example of an illegal opioid. Taking too much of an opioid can cause death. An overdose is an emergency. Naloxone is a medicine used to...

  • Like tampons or pads, menstrual cups are a way to manage menstrual bleeding. You insert a menstrual cup in your vagina to collect menstrual flow. And then you remove it from your vagina to empty it. The cups are usually made of rubber or silicone....

  • Learn how to encourage resilience so your child can better handle life's challenges.

  • Teach your teen the important life skill of being responsible with money.

  • Help your teen learn to deal with conflict at school or on social media.

  • Help your teen balance gaming time with other activities.

  • Learn to help your teen build healthy boundaries and habits around phone use.

  • Learn about the different types of treatment that can help with prescription medicine misuse.

  • Learn the simple steps that can help you reach a goal of quitting medicine misuse.

  • Learn about the importance of finding support for recovery.

  • Learn how to renew your commitment to stopping medicine misuse after a slip-up.

  • Learn the signs of possible risky use of alcohol and think about the role alcohol plays in your life.

  • Hear how others found the motivation to change their relationship to alcohol.

  • Learn more about the different treatment options that can help you change your alcohol habits.

  • Use what you learn from a slip-up to help prevent a relapse and strengthen your plan to change your habits.

  • Scoliosis is a problem with the curve in your spine. Many people have some curve in their spine. But a few people have spines that make a large curve from side to side in the shape of the letter "S" or the letter "C." If this curve is severe, it can...

  • Learn what is checked during an HIV test, who might need one, and what the results may mean.

  • A nicotine test measures the level of nicotine—or the chemicals it produces—in your body. It's usually done by testing a sample of your blood or urine. The test is used to see if you smoke or use other forms of tobacco. All forms of tobacco have...

  • Learn what body image is and how to feel better about the way you look.

  • See how other teens have gotten more active and had fun too.

  • Learn how to assess the things that led to a slip-up and get back on track with quitting.

  • Get motivated to quit by thinking about the example you are setting for your child.

  • Ages 11 through 14 are often called early adolescence. These years are an exciting time of varied and rapid changes. Your child grows taller and stronger and also starts to feel and think in more mature ways. You may feel amazed as you watch your...

  • Ages 15 to 18 are an exciting time of life. But these years can be challenging for teens and their parents. Emotions can change quickly as teens learn to deal with school, their friends, and adult expectations. Teen self-esteem is affected by...

  • Learn why getting a chlamydia test is important.

  • Guides through decision to get the HPV vaccine. Explains the vaccination process. Covers benefits and risks. Includes an interactive tool to help you make your decision.

  • Learn what many people tell themselves about a cough that won't go away.

  • Find motivation to quit by comparing what you tell yourself about smoking and what the facts are.

  • Learn how continuing to smoke will affect your COPD symptoms.

  • Hear how one man with COPD finally quit after many years of smoking.

  • What is aggression? Everyone gets angry sometimes, even small children. But some children and teens have so much trouble controlling their anger that they shove, hit, or make fun of other people. This causes them trouble at home and at school. They often have a hard time making friends. And their aggression makes...

  • Learn how other people quit smoking by using nicotine replacement and other medicines.

  • Practice talking to your smoking friends about your decision to quit.

  • Birth control—without it, pregnancy can happen. That's why you need birth control you can count on. There are lots of good options for birth control. Your best choices are those that you find easy to use—so you never go without it. And of course, no matter what kind of birth control you use, you always need a plan for...

  • Learn how immunizations protect your child, your family, and your community.

  • Being active is an important part of growing up healthy, in body and in mind. But active kids can get hurt, especially when they don't know their safety basics. As a parent, you can't protect your child from every injury. But you can help your child keep safety in mind. How can you help your child get ready...

  • Learn how it may take a few attempts before you quit smoking for good.

  • Learn about products and medicines that can take the edge off nicotine cravings.

  • Learn why nicotine makes it hard to quit smoking and how it can be overcome.

  • Learn why it matters that your reason for quitting comes from inside you.

  • Learn how to get past those things that make you want to smoke by replacing them with healthier things.

  • Learn how medicine can double or triple your chances of stopping smoking.

  • Imagine your life without cigarettes.

  • Several medicines can help you stop smoking. You can take medicine to reduce your craving for nicotine. You also can use nicotine replacement products to reduce cravings and give you smaller and smaller amounts of nicotine. Your doctor can help you...

  • What is medical marijuana, and is it legal? Marijuana is a drug that is made up of the leaves, flowers, and buds of the hemp plant Cannabis sativa. Medical marijuana is the use of this drug to help treat symptoms like pain, muscle stiffness ( spasticity), nausea, and lack of appetite. It may be used by people who...

  • Gender identity is your inner sense of being male, female, both, neither, or some other gender. For transgender people, their gender identity does not match the sex that they were assigned at birth. Sometimes gender identity is outside the two most common categories of male or female. People who feel this way may use...

  • Guides through the decision to be screened for sexually transmitted infections. Explains STIs and discusses causes and lifestyles that put you at higher risk for getting infected. Covers benefits and risks of testing. Includes an interactive tool to help you decide.

  • Guides through the decision to be screened for an HIV infection. Explains HIV and discusses causes and lifestyles that put you at higher risk for getting infected. Covers benefits and risks. Includes an interactive tool to help you make your decision.

  • In the past, opioids were used only for short periods for short-term pain or for cancer pain. Many experts now also use them for longer periods to treat chronic pain. You can take these drugs, which are sometimes called narcotics or opiates, to...

  • Childhood isn't all fun and games. Even young children can feel worried and stressed. Stress can come from outside, such as family, friends, and school. It can also come from children themselves. Just like adults, children may expect too much of themselves and then feel stressed when they feel that they have failed.

  • The loop electrosurgical excision procedure (LEEP) uses a thin, low-voltage electrified wire loop to remove genital warts by heating the margin of the area to be removed, which separates the wart from the skin. LEEP is done in a doctor's office, clinic, or hospital on an outpatient basis. A local anesthetic is injected...

  • Guides you through decision to take isotretinoin for severe acne. Looks at the benefits and risks of this medicine. Includes an interactive tool to help you make your decision.

  • Guides you through the decision to see a doctor for acne. Covers symptoms like pimples and blackheads. Looks at treating with medicines like benzoyl peroxide (nonprescription) and isotretinoin (prescription). Includes interactive tool to help you make your decision.

  • Guides you through the decision to have your child take medicine for ADHD. Lists benefits and risks of medicines. Includes interactive tool to help you make your decision.

  • Guides through decision to use selective serotonin reuptake inhibitor (SSRI) medicine for premenstrual syndrome (PMS). Lists home remedies to try for PMS before SSRI. Covers benefits and risks. Includes an interactive tool to help you make your decision.

  • Suicide rates increase with age and are highest among white men age 65 and older. Divorced and widowed men in this age group have the highest suicide rates, and their most common method of suicide is firearms. The following warning signs may be present in older adults who have a high risk for suicide...

  • While most people with schizophrenia are not violent, violence is one of the reasons someone who has schizophrenia may need hospitalization. It is a way to protect the person or those around him or her until the delusions or hallucinations often...

  • Your first menstrual period is called menarche (say "MEN-ar-kee"). It usually starts sometime between ages 11 and 14. But it can happen as early as age 9 or as late as 15. If you are a teenage girl, see your doctor if you have not started having periods by age 15. Menarche is a sign you are growing up and becoming a...

  • Although communicating with your adolescent or teen can be challenging, it is important to continually make the effort. This is especially important when your child acts out with problem behaviors or seems troubled in some way. When attempting to...

  • Marijuana, also called cannabis, is a drug that is made up of the leaves, flowers, and buds of the hemp plant Cannabis sativa. It is often smoked in pipes or hand-rolled cigarettes. But it can also be vaporized, applied to the skin, cooked in food,...

  • Hyperactivity refers to inappropriate or excessive activity for a person's age or situation. Hyperactivity is not always a continuous behavior, as is often assumed. A person who has attention deficit hyperactivity disorder (ADHD) with hyperactivity...

  • During your adolescent's yearly medical checkup, most doctors: Check your child's height and weight, body mass index, blood pressure, vision, and hearing. Listen to your child's heart and lungs. Also, the doctor will feel the lymph nodes and the...

  • Emotional eating means that you eat for reasons other than hunger. You may eat because you're sad, depressed, stressed, or lonely. Or you may use food as a reward. Food can be soothing and distract you from what's really bothering you. If you are an...

  • A menstrual diary is a helpful tool for better understanding your premenstrual symptoms and then deciding how to treat them. Regardless of whether you have full-blown, diagnosable premenstrual syndrome (PMS), your menstrual diary can help you plan ahead for, prevent, and better cope with your premenstrual symptoms. You...

  • You may have started smoking to fit in with your friends. Maybe your parents smoke or your brother chews. Whatever the reason you began using tobacco, there are lots more reasons to stop: Smoking is much more addictive than you may believe. You may...

  • You can gently encourage someone who smokes to quit. Think of your comments about smoking as only one event that moves that person toward quitting. Start any discussion of quitting in a gentle way. Let the person know why you want him or her to...

  • If you smoke, your chance of dying from a heart attack is 2 to 3 times greater than that of a person who does not smoke. About 1 out of 4 heart attacks is believed to be directly related to smoking. Smoking is a much more important risk factor for a...

  • Smoking can gradually and permanently damage blood vessels throughout the body, including those that carry blood to the penis. This can make it difficult to get or maintain an erection (impotence). Quitting smoking may help prevent new damage from...

  • If you are like most smokers, you know that smoking is not good for you. But what you may not know is that the smoke from your cigarettes (secondhand smoke) also puts your loved ones' health at risk. Because of secondhand smoke, spouses and children...

  • If you are a woman who smokes and you are thinking about getting pregnant or are pregnant, now is a good time to quit smoking. Women who smoke may have a harder time getting pregnant. Women who smoke are more likely to have the following...

  • Many common activities or events can trigger the urge to smoke. Knowing how to deal with them can help you deal with these triggers: Finishing a meal. Get up from the table immediately. Rinse your mouth with mouthwash or brush your teeth. Or start a pleasurable activity. Try a walk or a new hobby...

  • Smokeless tobacco products include chewing tobacco and snuff. These products are less harmful than smoking cigarettes. But they are just as addictive as cigarettes and do have serious health risks. Smokeless tobacco causes the following health...

  • When you quit smoking, you'll reap many physical benefits. Your taste buds will come back to life. Your sense of smell will improve. Your voice may improve as irritation of the voice box (larynx) from cigarette smoke is reduced. Your teeth will become whiter (less yellow). Your hair and breath will no longer smell...

  • Some unsuccessful attempts to quit smoking result from picking a time when it is harder to quit. If your life is hectic, you may feel there will never be a good time to quit. In that case, pick a time to quit, and do what you can to make your life...

  • Tracking your smoking can be helpful both while you prepare to quit and after you quit. Use it to record information about your smoking behavior, such as: Your list of reasons to quit. Your smoking triggers, which are those times, places, and...

  • Reduced smoking is a conscious change in the amount you smoke. It can prepare you to quit smoking at a later date, even if the quit date doesn't come for a long time. Reduced smoking has some limitations, and it should not be a goal itself, because...

  • A good quit-smoking program can help a person quit smoking by providing support and encouragement. Programs are available for you to attend in-person, by telephone, or online (on the Internet). Look for a program that is led by someone who has had training in helping people quit smoking. Better in-person smoking...

  • Nicotine replacement therapies are helpful for people who quit smoking. They are available in several forms, such as patches, gum, lozenges, nasal sprays, and inhalers. All forms of nicotine replacement therapy (NRT) work equally well. But talk with your doctor about what products might be best for you and what...

  • You chew nicotine gum as a way to help yourself quit using tobacco. The gum contains nicotine and feels and looks like chewing gum. When you chew the gum, the nicotine begins to slowly release into your mouth. Then you hold the gum in your mouth between your cheek and gums. Cigarette smoke passes nicotine almost...

  • A nicotine inhaler looks like a cigarette. It has a cartridge that contains nicotine. You inhale, and nicotine vapor is absorbed into your mouth and throat area. You don't absorb the nicotine into your lungs like you do with a cigarette. As a result, you don't get the same "hit" of nicotine as with...

  • Ask yourself some questions to see whether you smoke to relieve tension, irritability, and stress or to improve your mood. Does smoking a cigarette automatically come to mind when you are frustrated, angry, or sad? Does smoking a cigarette calm you when you are upset? Do you smoke more cigarettes when you are under...

  • Smoking may be a big part of your social life. Do you automatically smoke when you are around someone who is smoking? Do certain people, places, or things seem to make you want to smoke? Do your friends smoke? Friends care about one another, support...

  • Cognitive-behavioral therapy is an active type of counseling. Sessions usually are held once a week for as long as you need to master new skills. Individual sessions last 1 hour, and group sessions may be longer. During cognitive-behavioral therapy for eating disorders, you learn: About your illness, its symptoms...

  • Guides through decision to have your child have surgery for scoliosis. Discusses curves of the spine and when surgery is normally the best choice for treatment. Covers benefits and risks. Includes an interactive tool to help you make your decision.

  • Night eating syndrome is a condition in which people eat large amounts of food after the evening meal, often waking up during the night to eat. People with this condition may delay their first meal of the day for many hours. Experts still do not...

  • Covers when feelings of sadness or anxiety may indicate need for treatment for depression. Offers tips to help with depression. Explains emergency symptoms, like talk about suicide. Includes interactive tool to help you decide when to call a doctor.

  • Cryotherapy (cryosurgery) destroys genital warts by freezing them with liquid nitrogen. A doctor applies liquid nitrogen to and around the warts. First, the tissue is frozen with liquid nitrogen. Then, the tissue is allowed to thaw. The tissue is frozen again, if needed. The time of application varies by the doctor...

  • A laser can be used to destroy genital warts. Laser surgery may be done in a doctor's office or clinic, a hospital, or an outpatient surgery center. Local or general anesthetic may be used depending on the number of warts to be removed or the size of the area to be treated. For women, abnormal cervical cell changes...

  • Your doctor may take a sample, or biopsy, of abnormal tissue. The majority of warts do not require a biopsy. But a biopsy may be taken if genital warts cannot be easily identified with a physical exam or during a gynecology exam with a lighted magnifying instrument ( colposcopy). A microscopic exam on the biopsied...

  • Covers causes and symptoms of human papillomavirus (HPV), a sexually transmitted infection (STI). HPV is also called genital warts. Looks at treatment with medicines, lasers, surgery, or freezing. Covers prevention and shots of HPV vaccine.

  • The CAGE questionnaire is used to test for alcohol use disorder in adults. It is not used to diagnose the disease but only to show whether a problem might exist. The CAGE questionnaire consists of four questions that relate to your use of alcohol: Have you ever felt that you ought to C ut down on your...

  • The physical signs of alcohol use disorder can be vague in the early stages of the disease. Some early symptoms include: Blackouts, which cause you to not remember what happened when you were drinking. Blackouts are not the same as passing out....

  • When visiting a treatment center to see whether the program offered there meets your and your family member's needs, ask the following questions. Are the counselors certified chemical dependency counselors (CDC)? Counselors who are certified have...

  • Is this topic for you? This topic is about alcohol use disorder in adults. For information about alcohol problems in teens or children, see the topic Teen Alcohol and Drug Use. What is alcohol use disorder? Alcohol use disorder means having unhealthy or dangerous drinking habits, such as drinking every day or...

  • Covers symptoms of PMS such as bloating, muscle aches, and mood swings. Discusses possible causes and what increases your risk. Covers treatment with lifestyle changes, antidepressants, or birth control pills. Covers surgery for severe form (PMDD).

  • What is trichomoniasis? Trichomoniasis is an infection with a tiny parasite spread by sexual contact ( sexually transmitted infection (STI)). It is sometimes called a Trichomonas infection or trich (say "trick"). Both men and women can get a trich infection, but it is more commonly detected in women. Trich in pregnant...

  • What is chlamydia? Chlamydia (say "kluh-MID-ee-uh") is an infection spread through sexual contact. This infection infects the urethra in men. In women, it infects the urethra and the cervix and can spread to the reproductive organs. It is one of the most common sexually transmitted infections (STIs). Chlamydia does...

  • Electrocautery removes genital warts on the penis, vulva, or around the anus by burning them with a low-voltage electrified probe. Electrocautery is usually done in a doctor's office or a clinic. The injection of a numbing medicine ( local anesthetic) is usually used for pain control. Medicine that causes...

  • Visible genital warts on the penis or vagina or around the anus are removed by excision, which means cutting the warts off with a surgical knife (scalpel). Warts on the cervix may be removed by laser or loop electrosurgical excision (LEEP). The procedure is usually done in a doctor's office or clinic or an outpatient...

  • You may be depressed if you have at least five of these symptoms for 2 weeks or longer, and one of the symptoms is either sadness or loss of interest. You feel sad or hopeless. You lose interest in or stop getting pleasure from most daily activities. You lose or gain a lot of weight because of changes in how hungry...

  • Social skills training helps the child or adult who has attention deficit hyperactivity disorder (ADHD) be less aggressive and impulsive, manage anger, and behave in a more socially acceptable way. Techniques include: Coaching. Role-playing....

  • Some of the misconceptions about attention deficit hyperactivity disorder (ADHD) include the following: Myths and facts about attention deficit hyperactivity disorder (ADHD) Myth Fact There is no such medical condition as ADHD. ADHD is a medical disorder, not a condition of the child's will. A child...

  • Discusses attention deficit hyperactivity disorder (ADHD), which in the past was called attention deficit disorder (ADD). Covers symptoms including inattention, impulsivity, and hyperactivity. Discusses treatment with medicines like Ritalin, and behavior therapy.

  • Most people recover from mononucleosis (mono) without any complications. But there are many possible complications of mono. These include: An enlarged spleen, which occurs in up to 75 out of 100 people who have mono. Red spots or rash,...

  • Discusses mononucleosis (also called mono or the kissing disease) caused by Epstein-Barr virus (EBV). Covers symptoms including high fever, severe sore throat, and swollen lymph nodes (swollen glands), tonsils, and spleen. Offers home treatment and prevention tips.

  • Discusses ways to relieve pain from menstrual cramps that usually start before or at the beginning of your period. Includes steps you can take such as applying heat on your belly or getting regular exercise. Covers over-the-counter medicines that can help.

  • What is gonorrhea? Gonorrhea is an infection spread through sexual contact. In men, it most often infects the urethra. In women, it usually infects the urethra, cervix, or both. It also can infect the rectum, anus, throat, and pelvic organs. In rare cases, it can infect the eyes. Gonorrhea does not cause problems if...

  • Covers safer sex practices like abstinence, using condoms, watching for symptoms of STIs, and limiting number of sex partners you have. Includes list of questions to ask someone before having sex.

  • What is syphilis? Syphilis is a sexually transmitted infection (STI) caused by the bacterium Treponema pallidum. If it's not treated by a doctor, it can get worse over time and cause serious health problems. The infection can be active at times and not active at other times. When the infection is active, you...

  • Neurosyphilis refers to the infection of the brain and spinal cord by the syphilis bacteria. This can lead to destruction in many areas of the nervous system, causing loss of function of a person's arms or legs, loss of vision, and altered mental...

  • Congenital syphilis occurs when a mother's syphilis goes untreated during pregnancy and is passed to the baby through the placenta. A baby can also become infected with syphilis during labor or delivery. The risk of infecting the baby is greatest...

  • The different types of acne include: Newborn acne. About 20% of newborns develop mild acne. This may be because certain hormones are passed to them through the placenta by their mothers just before delivery. Or newborns may get acne because the stress of birth may cause the baby's body to release...

  • Benzoyl peroxide is a medicine you use to treat acne. It comes in different strengths in lotions, gels, soaps, and liquids. How does benzoyl peroxide treat acne? Benzoyl peroxide unclogs skin pores. It also helps stop bacteria from growing and...

  • Alpha hydroxy acids such as lactic acid, mandelic acid, and glycolic acid (for example, Alpha Hydrox) are often used in products to treat acne. These products work by drying up whiteheads, blackheads, and pimples and causing the top layer of your...

  • Salicylic acid is an active ingredient in some nonprescription acne treatments. When you apply it to your skin, it dries up whiteheads, blackheads, and pimples. It also causes the top layer of your skin to peel. Products that contain salicylic acid...

  • Doctors often prescribe antibiotics to treat severe acne or acne that is likely to leave scars. Antibiotics improve the look of your skin by killing bacteria that cause acne. This means you'll have fewer pimples and redness. Less acne means less...

  • Discusses acne, a skin problem. Lists symptoms, including pimples. Covers causes such as puberty, medicines, and conditions like polycystic ovary syndrome. Covers acne treatment for mild, moderate, and severe forms. Offers prevention tips.

  • Children who are depressed may have the same symptoms as adults. But adults may believe that these symptoms are normal in children. Some signs that may alert adults that children are depressed include: Being irritable and crying for no reason you...

  • Herpes tests are done to find the herpes simplex virus (HSV). An HSV infection can cause small, painful sores that look like blisters on the skin or the tissue lining ( mucous membranes) of the throat, nose, mouth, urethra, rectum, and vagina. A herpes infection may cause only a single outbreak of sores, but in many...

  • People who have eating disorders are often very self-critical. Learning to be easier on yourself is essential. Pace yourself if you are feeling weak. Everything you do may take more time and effort. Do not expect to do all the things you want to do...

  • People who have an eating disorder often become preoccupied with negative thoughts about themselves. It is often hard for them to think healthy or balanced thoughts. Although it is impossible to stop all negative thoughts, you can reduce these...

  • Sometimes people who have anorexia find it difficult to trust the family, friends, health professionals, and other caring people who are trying to help them. There are many reasons for this, ranging from anxiety about losing control and gaining...

  • People who have anorexia often have difficulty at mealtimes. If mealtime is a stressful time for you, try something different. During meals: Try to eat slowly and gradually. Do not allow yourself to get overwhelmed by the idea of eating a meal. Talk...

  • What is binge eating disorder? Binge eating means eating larger amounts of food than most people would in a similar situation, in a short period of time. A person with this eating disorder binge eats regularly for several months. When you binge eat, you may feel like you can't control your eating, and you may you feel...

  • What is screening for cervical cancer? Cervical cancer screening tests can help your doctor find and treat abnormal cell changes on your cervix before they develop into cervical cancer. These tests may be done as part of a pelvic exam. What screening tests are used? Tests include: A Pap test...

  • Discusses genital herpes, a sexually transmitted infection caused by the herpes simplex virus (HSV-1 or HSV-2). Covers symptoms and treatment, including care during pregnancy. Covers what increases your risk and offers prevention tips.

  • Take any mention of suicide seriously. If someone you know is threatening suicide, get help right away. Health professionals should try to find out whether the person: Has the means (weapons or medicines) available to do self-harm or to harm another person. Has set a time and place to attempt suicide...

  • What are cold sores? Cold sores, sometimes called fever blisters, are groups of small blisters on the lip and around the mouth. Often the first sign of a cold sore is a spot that tingles, burns, or itches. A blister usually forms within 24 hours. The skin around the blisters is often red, swollen, and sore. The...

  • Chlamydia tests use a sample of body fluid or urine to see whether chlamydia bacteria ( Chlamydia trachomatis) are present and causing an infection. Chlamydia is the most common bacterial sexually transmitted infection (STI) in the United States. Tests used to find a chlamydia infection include...

  • Children of all ages are exposed to ideas about thinness by parents, peers, and other sources. Starting in grade school, children may become more aware of body image as they compare themselves to others. Adolescents often become extremely concerned...

  • What is anorexia nervosa? Anorexia nervosa (say "an-uh-RECK-see-uh nur-VOH-suh") is a type of eating disorder. People who have anorexia have an intense fear of gaining weight. They severely limit the amount of food they eat and can become dangerously thin. Anorexia affects both the body and the mind. It may start as...

  • As a part of the physical exam for eating disorders, a doctor may order certain tests to see whether your body is generally healthy. These may include blood or urine tests to check: Electrolyte levels. Electrolytes are minerals, such as potassium,...

  • Certain needs, fears, family dynamics, and ways of communicating, thinking, and feeling put a person at greater risk of developing an eating disorder such as anorexia, bulimia, or binge eating. Some of these include: A need for attention. A need to...

  • Eating disorders occur most often in industrialized cultures where there is an emphasis on thinness, especially if thinness is linked to success. Magazines, television, and other media have created an unrealistic image of the perfect, successful...

  • When a loved one has an eating disorder such as anorexia, bulimia, or binge eating and is in treatment, it is important that you show support. You can show personal support by: Showing and stating your love. Avoiding the temptation to control the...

  • Gonorrhea tests tell if a person has this disease. They look for the bacterium, or germ, that causes gonorrhea. Testing is done on body fluid or urine samples. Gonorrhea is a sexually transmitted infection. That means it is spread through sexual contact. It does not always cause symptoms. Tests used to find a...

  • A human immunodeficiency virus (HIV) test detects HIV antibodies or antigens, or the genetic material ( DNA or RNA) of HIV in the blood or another type of sample. This can show if an HIV infection is present (HIV-positive). HIV infects white blood cells called CD4+ cells. They are part of the body's immune system that...

  • What is bulimia nervosa? Bulimia (say "boo-LEE-mee-uh") is a type of eating disorder. People with bulimia will eat a larger amount of food than most people would in a similar situation, in a short period of time (binge). Then, in order to prevent weight gain, they will do something to get rid of the food (purge). They...

  • What is gynecomastia? Gynecomastia is overdevelopment of the male breast. In response to too much estrogen (a female hormone) or too little testosterone (a male hormone), the glandular tissue of the breast swells and forms a breast bud (enlarged breast). Gynecomastia can occur in babies, teen boys, and older men...

  • Covers monospot test (heterophil test) and EBV antibody test, blood tests used to diagnose mononucleosis (mono), which is caused by the Epstein-Barr virus. Covers how it is done and risks. Also includes info on what test results might mean.

  • Syphilis tests tell if a person has this disease. They look for antibodies to the bacterium, or germ, that causes syphilis. Some tests look for the syphilis germ itself. Syphilis is a sexually transmitted infection. That means it is spread through sexual contact: vaginal, anal, or oral sex. Testing is done on...

  • Brace (orthotic) treatment for scoliosis is used to prevent spinal curve progression and to maintain a more normal appearance of the back. The goal of brace treatment is to prevent the curve from getting worse. Bracing does not correct a curve. There may be some initial straightening of the spine and the appearance of...

  • In spinal fusion for scoliosis, rods, hooks, wires, or screws are attached to the curved part of the backbone and the spine is straightened. Small pieces of bone, called grafts, are then put over the spine. Bone for grafts is often taken from the person's pelvic bone. The grafts will grow together with the spinal...

  • Doctors use X-ray images of a person's spine to measure spinal curvature. A curve or angle of the spine is measured in degrees and describes how severe the curve is. (The angle is determined by the intersection of lines projected from the top and...

  • The cosmetic aspects of scoliosis and the braces used to treat it may greatly affect a child or teen. Teenagers may find wearing a brace devastating to their self-image. Most braces should be worn for 20 hours a day or more, usually for several...

  • What is scoliosis? Scoliosis is a problem with the curve in the spine. Many people have some curve in their spine. But a few people have spines that make a large curve from side to side in the shape of the letter "S" or the letter "C." If this curve is severe, it can cause pain and make breathing difficult. The good...

  • Quitting smoking is probably the most important step you can take to decrease your chance of coronary artery disease (CAD) and a heart attack. Smoking raises your risk of getting CAD and dying early from CAD. Carbon monoxide, nicotine, and other...

  • Most women have painful menstrual cramps (dysmenorrhea) from time to time. Menstrual cramps are one of the most common reasons for women to seek medical attention. The pain from menstrual cramps can range from mild to severe and can involve the...

  • It is not unusual to have a problem with your mouth from time to time. A mouth problem can involve your gums, lips, tongue, or inner cheeks, the roof of your mouth (soft and hard palates), under your tongue, your neck, or your teeth. Your mouth may...

  • Cancer prevention is action taken to lower the chance of getting cancer. By preventing cancer, the number of new cases of cancer in a group or population is lowered. Hopefully, this will lower the number of deaths caused by cancer. To prevent new cancers from starting, scientists look at risk factors and protective...

  • Cannabis, also known as marijuana, is a plant grown in many parts of the world. It makes a resin (thick substance) that contains compounds called cannabinoids (see Question 1). By federal law, possessing Cannabis is illegal in the United States outside of approved research settings. However, a growing number of states...

  • Use one of the following resources if you are or know of a parent or caregiver having trouble controlling angry feelings. Actions done in moments of anger can be harmful and abusive. Behavioral Health Treatment Services Locator. This service from the national Substance Abuse and Mental Health Services...

  • Treatment is available for all sexually transmitted infections (STIs), no matter what the cause, to relieve symptoms, even if a cure is not possible. Some, but not all, STIs are treated with antibiotics. Some of the most common STIs— chlamydia, gonorrhea, and syphilis—are caused by bacteria and are treated and...

  • What are the most important things you need to know about your medicines? Make sure you know about each of the medicines you take. This includes why you take it, how to take it, what you can expect while you're taking it, and any warnings about the medicine. The information provided here is general. So be sure...

  • Provides questions to help you learn why you use tobacco. Discusses the benefits of quitting and offers strategies for quitting. Explains nicotine dependence and offers link to info on nicotine replacement therapy.

  • Discusses common skin rashes that affect those 11 and younger. Covers chickenpox, diaper rash, prickly heat, and contact dermatitis. Offers home treatment tips for fever and itching. Includes interactive tool to help you decide when to call a doctor.

  • The signs of drug use depend on the drug and the person using the drug. Behaviors that may be signs of drug use include: Changes in sleeping or eating habits, less attention to dressing and grooming, or less interest in sex. Up and down moods, a...

  • Mouth sores may make eating and talking painful. The most common mouth sores are cold sores and canker sores. In severe cases of canker sores, a doctor may prescribe a medicine to ease inflammation and pain. Other possible causes of mouth sores include: Impetigo. Symptoms may include oozing...

  • A blackout means not being able to remember what happened when you were drinking or using drugs. Blackouts are not the same as passing out. Passing out occurs when you lose consciousness. You don't pass out when you have a drug or alcohol blackout. In a blackout, you lose short-term memories. A blackout is a type of...

  • If you want to save this information but don't think it is safe to take it home, see if a trusted friend can keep it for you. Plan ahead. Know who you can call for help, and memorize the phone number. Be careful online too. Your online activity may be seen by others. Do not use your personal computer or device to...

  • If you participate in endurance sports, you may miss periods or stop menstruating. This is called secondary amenorrhea, and it occurs because your ovaries are not producing enough estrogen. It is believed that stress and low body fat contribute to amenorrhea. This is more likely to happen if you are younger and if your...

  • When reviewing the following guidelines, take into account how heavy your normal menstrual flow is. Abnormal vaginal bleeding varies depending on what is normal for a particular woman. Severe vaginal bleeding means that you are soaking 1 or 2 pads or tampons in 1 or 2 hours, unless that is normal for you...

  • Lists common sexually transmitted infections, including chlamydia, genital herpes, gonorrhea, HIV, HPV (genital warts), syphilis, and trichomoniasis. Includes interactive tool to help you decide when to call a doctor. Covers safer sex. Offers prevention tips.

  • If the herpes simplex virus (HSV) invades a part of the body other than the genital area, it may cause disease in that part of the body. In general, complications are rare. And they usually occur with the first-time (primary) genital herpes outbreak. Some of these complications include: Meningitis, an infection of the...

  • What is dyslexia? Dyslexia is a learning disability that makes it hard to read, write, and spell. It occurs because the brain jumbles or mixes up letters and words. Children with dyslexia often have a poor memory of spoken and written words. Having dyslexia does not mean that your or your child's ability to learn is...

  • How do teenagers grow and develop during ages 15 to 18? The ages from 15 to 18 are an exciting time of life. But these years can be challenging for teens and their parents. Emotions can change quickly as teens learn to deal with school, their friends, and adult expectations. Teen self-esteem is affected by success...

  • How do children grow and develop between ages 11 and 14? The ages 11 through 14 years are often referred to as early adolescence. These years are an exciting time of many varied and rapid changes. Your child grows taller and stronger and also starts to feel and think in more mature ways. You may feel amazed as you...

  • Dyslexia may occur with other learning or emotional problems. Some of the conditions associated with dyslexia may be the result of the way the child's brain was formed or how it functions. Some of the emotional problems that a child with dyslexia can have are due to frustrations and failures at school and home. But keep...

  • Adolescence is a time of rapid growth in height and weight and of physical changes throughout the body. Most of these changes occur near the time of puberty, which in the United States and Canada usually begins for girls between the ages of 9 and 11, and for most boys between the ages of 9½ and 13. Breast buds—slight...

  • Adolescents typically think in concrete ways. This means that they have difficulty with abstract and symbolic concepts. Their thinking tends to be focused on the present. They are just starting to be able to gather information from experience, analyze information, and make critical decisions about future choices and...

  • Independence, individuality, identity, and self-esteem are buzzwords for early teen emotional and social development. Elementary school-age children have strong ties to their families and want to please their parents. The years 11 through 14 are a transition between childhood and adulthood. Appropriately, adolescents...

  • Before the adolescent growth spurt, the strength of boys and girls is about the same. But afterward, males most often have the advantage. During these years of rapid physical growth, adolescents may be somewhat awkward or clumsy as they get used to longer limbs and bigger bodies. Their brains need time to adjust to the...

  • Adolescent thinking tends to be focused on the present. But adolescents and teens are rapidly learning new skills related to complex reasoning, inductive and deductive reasoning, sensitivity toward others, flexibility, and problem solving. Remind yourself that it is normal for adolescents to have a sense of being...

  • The teen years can be a difficult time for both your teen and you. But, you can also experience times of pride, laughter, and closeness. The world changes so quickly that you may not recognize the problems your teen may face. Some issues teens face may be choices that involve alcohol and drugs, high-risk sexual...

  • Puberty begins with hormonal shifts that trigger the development of male and female sex characteristics. In general, puberty usually starts for girls between the ages of 9 and 11, and for most boys between the ages of 9½ and 13 years. The exact age at which puberty starts varies widely among individuals. Having an...

  • Getting enough sleep and rest is important during the teen years. Teens need more sleep than younger children, because rapid physical growth and activity during the teen years can cause fatigue. Many teenagers sleep late whenever possible and often have problems getting up in the morning. Teenagers' biological clocks...

  • By age 15, most girls have had their first menstrual period and have completed the rapid growth spurt that usually occurs during puberty. After the first period, teenage girls grow 1.5 in. (3.8 cm) to 3 in. (7.6 cm) on average. Other early changes of puberty, such as the growth of pubic hair and breasts, have also...

  • By age 16, most teens are developing the ability to think abstractly, deal with several concepts at the same time, and imagine the future consequences of their actions. This type of thinking in a logical sequence continues to develop into adulthood. Also by age 16, teens can learn to process more complex problems, to...

  • Older teens may seem mature at times, but they often will still have periods of childish behavior. Those who have not yet established a personal identity and sense of independence may try defining themselves through rebellious or difficult behavior. Teens learn about themselves through expanding their relationships...

  • Most parents are nervous about their teenager driving a car. As a parent, you are right in your concern. Most teens learn to drive by taking driver's education classes. While teens are learning to drive, they need to get as much experience as possible with another adult in the car. Not all parents have the temperament...

  • Teens may start working during the high school years, often starting with a summer job. Work experience can offer many valuable lessons for teens and gives them a sense of independence and accomplishment. They also develop skills they will need to become successful in the adult workforce, such as how to balance time...

  • Offers tips on talking with your child about sex. Addresses family values. Covers getting conversations started. Covers topics such as using condoms and other forms of birth control to avoid pregnancy and STIs. Also covers sexual abuse and date rape.

  • Parenting a teenager can be both challenging and rewarding. Many teens have conflicting feelings about growing up and aren't yet able to gracefully manage these emotions. They can be inconsistent with their affections, argumentative, and at times even hurtful. As your teen struggles with becoming independent, it is...

  • Nonverbal learning disorder is a learning disorder that has many traits commonly associated with autism spectrum disorder. Like those with autism spectrum disorder (ASD), children with nonverbal learning disorder usually start to talk around 2 years...

  • Interactive tool measures your readiness to quit smoking. Helps you identify the stage of change that you're in. Offers questions to help you think about what to do next. Includes link to more extensive info on quitting tobacco use.

  • Tretinoin (Avita, Renova, Retin-A) is a topical medicine most often used to treat acne. It is sometimes used to reduce the appearance of fine wrinkles and to smooth rough facial skin. Tretinoin is made from vitamin A and is sometimes called vitamin A acid or retinoic acid. It comes in cream, gel, and liquid forms. Side...

  • Use this form to record information about your child's treatment plan for attention deficit hyperactivity disorder (ADHD). Review the plan with your doctor often. Together you can keep the plan up to date. My child's main symptom of ADHD is...

  • You can take steps today to stop drinking. Your first step might be to see your doctor, contact a support group, or set a date in the near future to stop. While some people can stop drinking on their own, others need medical help to manage the physical process of withdrawal. If you think you have alcohol use disorder...

  • My plan to stop drinking alcohol I will stop drinking any alcohol on (date): _______________. I have written down my reasons for not drinking and placed the list: _______________________________________________________. I have discussed my plan with my family and asked for their support. They will support me by...

  • Discusses teen use of alcohol and other harmful or illegal substances. Covers the effects and consequences substance use has on a teen's life, including physical and emotional health. Includes info on how to recognize and deal with teen substance use.

  • Below are some of the most common and helpful strategies people use to get through the tough period of nicotine withdrawal. Make a list of your smoking triggers. It is wiser to avoid triggers after you have quit smoking than to tempt yourself too soon. If you cannot avoid them early on, be cautious when they are...

  • The best way to cope with a strong temptation to smoke is to quickly remove yourself from the situation that is causing the temptation. Don't worry about "how it will look" if you leave a party, wedding reception, or public function to avoid the temptation to smoke. You have an important reason for leaving. When you...

  • Self-esteem is a person's core belief about himself or herself. A person's self-esteem is reflected in his or her actions, both in how as well as what he or she does. Although self-esteem varies from time to time, the pattern usually leans toward a healthy or unhealthy view of self. With healthy self-esteem, a person is...

  • Covers helping a child with attention deficit hyperactivity disorder succeed in school. Discusses working with teachers and other school personnel. Also covers helping your child control symptoms. Includes interactive test to measure what you've learned.

  • One of the most difficult things about parenting a child with attention deficit hyperactivity disorder (ADHD) is getting your child to do what you ask. Daily routines, such as getting ready for school or bed and getting homework done, can become...

  • Putting a plan for avoiding alcohol and substance use in writing will help your teen make good decisions in the future. Using the example below, have your teen help you write the contract. Teens feel more responsible for their actions when they are...

  • Helping a person to stop drinking can: Reduce possible health problems and injuries caused by alcohol use. Ease family conflicts or other relationship problems. Reduce legal problems caused by alcohol use.

  • Use this list to help you plan how to help someone you care about get treatment for an alcohol use disorder. A health professional who has special training in conducting interventions (intervention specialist) with people who have alcohol use...

  • During a male genital exam for sexually transmitted infections, the doctor: Looks for discharge from the penis. The doctor may put a thin swab into the urethra and take a sample of fluid and cells to test for infections such as chlamydia or gonorrhea. Checks the testicles for swelling and tenderness. May use a small...

  • Syphilis is described in terms of its four stages: primary, secondary, latent (hidden), and tertiary (late). Primary stage During the primary stage, a sore ( chancre) that is usually painless develops at the site where the bacteria entered the body. This commonly occurs within 3 weeks of exposure but can...

  • Signs that an intoxicated person might need medical evaluation include: An injury. An intoxicated person may not feel pain normally, so he or she may not be aware of an injury or realize how serious it may be. It is not uncommon for an intoxicated person to vomit once. But an intoxicated person who is confused or not...

  • If you want to save this information but don't think it is safe to take it home, see if a trusted friend can keep it for you. Plan ahead. Know who you can call for help, and memorize the phone number. Be careful online too. Your online activity may be seen by others. Do not use your personal computer or device to read...

  • When you're pregnant, everything you put in your body can affect your baby. If you smoke, your baby is exposed to chemicals such as nicotine and carbon monoxide. If you're a smoker and get pregnant, now is the time to quit. If you're not a smoker, avoid secondhand smoke. If you smoke and aren't pregnant but are...

  • The United States Preventive Services Task Force, U.S. Centers for Disease Control and Prevention, American Academy of Pediatrics, and American College of Obstetricians and Gynecologists recommend that all pregnant women be screened for human immunodeficiency virus (HIV) infection. This is because early detection and...

  • What is a menstrual cycle? The menstrual cycle is the series of changes a woman's body goes through to prepare for a pregnancy. About once a month, the uterus grows a new lining (endometrium) to get ready for a fertilized egg. When there is no fertilized egg to start a pregnancy, the uterus sheds its lining. This is...

  • What is teen substance use? Many teens try alcohol, tobacco, or drugs. Some teens try these substances only a few times and stop. Others can't control their urges or cravings for them. This is substance use disorder. Moderate to severe substance use disorder is sometimes called addiction. Teens may try a number of...

  • Whether you want to think about kicking your tobacco habit or not, you might find it interesting to take a look at the ways tobacco has worked its way into your everyday life. Check your response: Rarely Sometimes Often Smoking or chewing tobacco is something I do when I'm out having a good time with...

  • What would motivate you to quit smoking? Take a moment to fill out the smoker's self-test. Be honest when you answer the questions. You may discover that you have more good reasons to quit than to continue using tobacco. Decide if you agree with any of these statements. _____It makes me uncomfortable to know that I am...

  • A human papillomavirus (HPV) test is done to check for a high-risk HPV infection in women. HPV is a sexually transmitted infection (STI). An HPV test checks for the genetic material ( DNA) of the human papillomavirus. Like a Pap test, an HPV test is done on a sample of cells collected from the cervix. There are many...

  • How you feel about your body (your body image) may change when you have cancer. It is common to feel angry, frustrated, or disappointed after cancer surgery or during treatment for cancer. And it may be hard to adjust. Changes that may affect a person's body image include: Losing a breast because of breast cancer...

  • Violence causes more injury and death in children, teenagers, and young adults than infectious disease, cancer, or birth defects. There is no single explanation for the violence caused by youth. Many different things cause violent behavior in children. The more these things are present in a child's life, the more...

  • Because children and teenagers are more flexible, back pain is not as common in this age group as it is in adults. Back pain in a child that occurs immediately after an injury or an athletic event should be checked by a doctor. Back pain in children and teens may also be caused by an overuse injury. Children or their...

  • Anyone who has a head injury during a sporting event needs to immediately stop all activity and not return to play that day. Being active again before the brain returns to normal functioning increases the person's risk of having a more serious brain injury. Every person involved in a sporting event (every coach...

  • Many prescription and nonprescription medicines can affect the menstrual cycle. A few examples are: Aspirin and other medicines (called blood thinners) that prevent blood clots. Nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen (for example, Advil or Motrin) and naproxen (for example, Aleve). Hormonal...

  • The menstrual cycle is the series of changes a woman's body goes through to prepare for a possible pregnancy. Most girls start having periods between the ages of 11 and 15. A girl who has not had her first period by age 15 has what is called primary amenorrhea. This is different from infrequent or light menstrual...

  • If you develop symptoms of a sexually transmitted infection (STI), it is important to be evaluated by a health professional soon after your symptoms start. Symptoms of an STI include: A change in vaginal discharge (thicker, discolored, or bad-smelling) over a period of several days to 2 weeks. Pain, burning, or...

  • High-risk sexual behavior puts people at risk for sexually transmitted infections (STIs), unplanned pregnancy, and being in a sexual relationship before being mature enough to know what makes a healthy relationship. Teens and young adults are at higher risk than adults. Examples of high-risk sexual behavior include...

  • Looks at depression in children and teens. Covers symptoms like anxiety, headaches, sleep problems, and lack of energy. Discusses treatment with therapy and medicines. Covers warning signs of suicide.

  • Certain medical or mental disorders can produce symptoms similar to depression. Before depression is diagnosed, it may be necessary to rule out other causes of the symptoms that your child or teen may be experiencing. These other disorders may be...

  • Common warning signs for suicide include: Making suicidal statements. Being preoccupied with death in conversation, writing, or drawing. Giving away belongings. Withdrawing from friends and family. Having aggressive or hostile behavior. It is extremely important that you take all...

  • It is normal for your growing child to be moody or somewhat irritable as he or she moves through adolescence. But symptoms of prolonged sadness or irritability and a loss of pleasure in activities the child enjoyed before can point to depression....

  • Bipolar disorder in children and teens and attention deficit hyperactivity disorder (ADHD) are similar. It is possible for a child to have both conditions. But certain symptoms help distinguish one from the other: Comparing symptoms of bipolar disorder and ADHD Symptoms of bipolar disorder Symptoms of ADHD...

  • Being a parent of a child with attention deficit hyperactivity disorder (ADHD) is full of challenges and frustrations. This can lead to exhaustion. Taking good physical and emotional care of yourself will help provide you with needed energy....

  • It is important to learn about attention deficit hyperactivity disorder (ADHD) and the specific ways your child is affected. Knowledge about the condition will help you feel more confident in being able to help your child reach his or her potential....

  • Lists common products that could be poisonous, including household cleaners, medicines, alcohol, cosmetics, garden products, and houseplants. Also covers chemicals and fumes. Offers tips on keeping children safe. Offers poisoning hotline telephone number.

  • It's important for your child to have regularly scheduled checkups, often called well-child visits, beginning shortly after birth and lasting through the teen years. These appointments allow your doctor to keep a close eye on your child's general health and development. Finding possible problems early gives your child...

  • Small children, even some 1-year-olds, are able to pull the trigger on a gun. Also, older children or adults can mishandle guns or firearms and injure others. The American Academy of Pediatrics encourages parents to avoid keeping guns and firearms...

  • A sports hernia is an injury of the inguinal area caused by repetitive twisting and turning at high speed. This type of hernia occurs mainly in people who play ice hockey, soccer, or tennis. Although the condition is known as a hernia, in many cases an obvious hernia is not seen. The main symptom is groin pain that may...

  • Children and teens notice and react to stress in their family and also experience their own stress. It is important to recognize stress in children and teens and help them with healthy coping strategies. The strategies they learn often stay with them into adulthood. Generally, anything that may cause children fear and...

  • Sexually transmitted infections (STIs) are some of the most widespread infections both in the United States and the world. STIs affect both men and women, and two-thirds of all STIs occur in people younger than 25. Exposure to an STI can occur any...

  • Many people think substance use disorder happen only to teens and younger adults. But all ages can have problems with drugs and alcohol, including older adults. Older adults may use illegal drugs, misuse prescription or over-the-counter medicines,...

  • Some people have an alcohol or drug use problem and a mental health problem. Doctors call this a dual diagnosis. You need to treat both problems to fully recover. Mental health problems that can happen with alcohol or drug use include depression, bipolar disorder, obsessive-compulsive disorder, post-traumatic stress...

  • Alcohol is part of many traditions and is often served at parties and other functions. And although many drugs are illegal or legal only with a prescription, people may offer them to you. If you're in a situation where someone is offering you alcohol or drugs, try this: Look the person in the eye. In a firm voice...

  • Is this topic for you? This topic is about substance use disorder in adults. For information about drug use in teens or children, see the topic Teen Alcohol and Drug Use. What is substance use disorder? Substance use disorder is using drugs in a way that harms you or that leads you to harm others. It...

  • Stopping substance use, whether it's alcohol or drugs you are using, is very hard. Very few people succeed the first time they try. A lapse or relapse is likely. A lapse is the first time you use a drug or alcohol again after you have quit, or brief episodes of use at later points. A relapse is not being...

  • If you have a family member or friend with a drug problem, you probably want to help. This can be hard. You can't force a person into treatment. One thing you can do is to stop making excuses for the person. For example, if the person is late to work, refuse to make an excuse. The person has to deal with the problems...

  • You can complete this form and print it for easy reference. When you exit the form, the information will be deleted. Answer these questions based on your use of drugs—not alcohol— in the past 12 months. Choose the answer that is mostly right for you. These questions are asking about risky drug use, including: Using...

  • You've made a big decision. You're going to quit smoking. Quitting is hard, and you probably know this. Maybe you've quit before. If so, that's normal. Most people quit many times. What can you do to make it more likely that you'll kick the habit for good? One important part of quitting smoking is getting help from...

  • Your partner or friend has decided it's time to quit smoking. This is great news. You're excited, and you want to help. But you don't want your partner or friend to feel that you're coming on too strong or that you're "checking up" on him or her. This Actionset will give you tips on helping someone who is trying to...

  • For close to 40 years, Stan woke up each day feeling as if he were going to die. "Mornings were like doomsday," he recalls, describing his depression, alcohol use disorder, and prescription drug misuse. "It was like everything was just dead … that...

  • Nicotine is only one of the thousands of chemicals in tobacco, but it is the major component that acts on the brain. The lungs readily absorb nicotine from the smoke of cigarettes, cigars, or pipes. The tissues of the mouth can also absorb nicotine when a person smokes cigars or pipes or chews tobacco. Nicotine reaches...

  • Inhalants are substances that produce chemical vapors that, when inhaled, result in mind-altering effects. The term inhalant is used because these substances are rarely, if ever, used by any other means. These substances are common household, industrial, or medical products. But most people do not think of them as...

  • Cocaine is a powerful stimulant that is used legally as a local anesthetic for some eye, ear, and throat surgeries. Cocaine is also called coke, C, snow, flake, or blow. It may contain other substances, such as cornstarch, talcum powder, or sugar....

  • Methamphetamine is a powerful stimulant. It's like amphetamine, which doctors use to treat sleep problems (narcolepsy), attention deficit hyperactivity disorder (ADHD), and severe overweight problems. The illegal form of methamphetamine is a white,...

  • Heroin is an illegal drug. It is a white or brown powder or a black, sticky substance (black tar heroin). It can be sniffed, snorted, smoked, or injected into a muscle or vein. It is often mixed (cut) with other drugs or substances, such as sugar or...

  • The program you choose for your teen needs to view substance use as a primary disease and not as a symptom. Your teen needs to have a comprehensive evaluation to determine the level of substance use and the presence of psychiatric or medical conditions. If you need to place your teen in a treatment program, look for...

  • Guides through decision to have your child get the HPV vaccine. Explains the vaccination process and includes tips on how to talk to your child about HPV. Covers benefits and risks. Includes an interactive tool to help you make your decision.

  • A slip is when a smoker who has quit smokes one or two cigarettes. A relapse is when a smoker who has quit returns to regular smoking. It is hard to quit smoking. The temptation can be very strong. Here you will find strategies to help you avoid slips as well as a relapse. You will also find tips for deciding how soon...

  • The cravings for nicotine can be intense for the first few days when you stop smoking, but they will get better with time. Here are some tips on how to cope: Use nicotine gum, lozenges, or an inhaler. Distract yourself. Stop what you are doing, and do something else. Try to stay away from other smokers, at least in...

  • Violence can happen to anyone—males or females, children, teens, adults, older adults, or people with disabilities. You are not to blame. No matter what happened, violence is not okay. Violent people usually have many problems that they find hard to deal with, which can cause them to act out with violence. Physical...

  • A child may have a higher chance of having high cholesterol if he or she: Is overweight. Does not exercise much. Does not eat healthy foods. Has a family history of high cholesterol. Your child's doctor may suggest a cholesterol test based on your...

  • Antidepressant medicines often work well, but they do have some risks and side effects. Their use may increase the risk of suicide, especially in the first few weeks of use. If your child starts antidepressants, be sure to be aware of this risk and get help if you see any of the warning signs. Before prescribing...

  • Anabolic steroids are synthetic substances similar to the male hormone testosterone. Doctors prescribe them to treat problems such as delayed puberty and other medical problems that cause the body to make very low amounts of testosterone. Steroids...

  • Getting tested for HIV can be scary, but the condition is treatable. So it is important to get tested if you think you have been exposed. Early detection and monitoring of HIV will help your doctor find out whether the disease is getting worse and when to start treatment. The U.S. Centers for Disease Control and...

  • Print this page and fill in the information if you are bringing your child in for an appointment. What questions or concerns do I have about my child that I want addressed during this appointment? Are there any recent stresses in the family that may be affecting my child, such as death of a loved one, loss...

  • It's not easy to quit smoking. The nicotine in cigarettes is addicting. Your body craves it because it makes you feel good. So when you try to stop smoking, you go through nicotine withdrawal. You feel awful, and you may worry about gaining weight. You get cranky and anxious. It can be hard to sleep. You're not the...

  • Interactive tool that helps you estimate the impact smoking will have on your lifespan. Provides links to info on quitting tobacco use and a decision tool to determine whether you're ready to quit smoking.

  • Interactive tool helps you calculate how much money you have spent on cigarettes in the past and how much you will spend on them in the future if you keep smoking. Offers link to more extensive info on quitting tobacco use.

  • Offers interactive tool to help you find out if you may have an alcohol problem. Calculates how many signs of a drinking problem you have. Suggests if you are at low, medium, or high risk for an alcohol problem. Links to info on alcohol abuse.

  • You can help prevent acne from getting worse by the way you wash your face: Gently wash your face once or twice a day with warm water and a mild soap or acne wash. Use gentle, circling motions rather than scrubbing your face. Always completely rinse your skin after you wash it, and gently pat it dry. Avoid rubbing...

  • What is vaginitis? Vaginitis is infection or inflammation of the vagina. It can cause itching and burning, a change in vaginal discharge, and sometimes pain during sex. What causes vaginitis? Vaginitis may be caused by bacteria, yeast, or other organisms. Bath products, douches, and spermicides also can...

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