If you have a mental health problem or you just need support through a tough time, it can help to talk with someone. Here's how teens can find that help.

Just as professional sports stars need medical care to keep them playing their best, so do student athletes. That's why it's important to get a sports physical.

Strokes are more common in older adults, but teens can have one too. This "brain attack" happens when blood flow to the brain stops, even for a second.

There's a lot more to taking care of your teeth than breath mints and mouth sprays. Read this article to learn the facts on flossing, how to give plaque the brush-off, and much more.

Even if you're lucky enough to have perfect vision, taking care of and protecting your eyes is vital to keeping your peepers perfect. Learn all about how to take care of your baby blues (or browns or greens) in this article.

Most teens with diabetes should switch to an adult health care provider when they're between 18 and 21. Here's how you can do that.

Knowing what to expect with surgery before you get to the hospital can make you less anxious about your surgical experience - and less stress helps a person recover faster.

Scheduled for a hospital stay? Knowing what to expect can make it a little easier.

Use this printable sheet to help manage your asthma.

Use this weekly diary to keep a record of your asthma symptoms, peak flows, and the amount of medicine taken.

If you have diabetes, you can use this printable sheet to record your blood glucose levels.

Use these breakfast planning ideas to select healthy foods that satisfy your taste buds and get you on your way fast.

Health insurance has a language all its own. This article for teens explains what some key terms mean.

Before you consider having sex, you need to know how to protect yourself. Read this article to learn what birth control pills are, how well they work, and more.

Before you consider having sex, you need to know how to protect yourself. Learn what the birth control patch is, how well it works, and more.

A woman places the birth control ring in her vagina where it slowly releases hormones into the bloodstream to prevent pregnancy.

Before you consider having sex, you need to know how to protect yourself. Read this article about the birth control shot and find out how it works - and how well.

This test measures the speed at which red blood cells fall to the bottom of an upright glass test tube. Find out why doctors do it and what's involved for teens.

Chemotherapy (chemo) is treatment with medicines that stop the growth of cancer cells. Find out how chemo works and what to expect when getting treatment.

Emergency contraception is a way to prevent pregnancy after unprotected sex; for example, if a condom breaks or slips off during sex. It is also available to teens who are forced to have unprotected sex.

Two different types of medicines are used to treat asthma. Read about how they work, and why people might need to take them.

Need to get a blood test? An MRI? These videos show what happens in 10 of the most common medical tests.

This medical treatment helps people with kidney failure. It can be done at home, often overnight, to take over the kidneys' job of filtering blood. Find out more in this article for teens.

Physical therapy helps people get back to full strength and movement - and manage pain - in key parts of the body after an illness or injury.

Tips and advice for teens on refilling a prescription.

A splint is a support device that keeps an injured area from moving. Doctors often use splints to hold bones and joints in place so they can heal after a fracture.

If your doctor prescribed steroids as part of your treatment for an illness, don't worry. It's not the illegal, doping scandal kind of steroid. Get the details in this article for teens.

Medicines can cure, stop, or prevent disease; ease symptoms; or help in the diagnosis of illnesses. This article describes different types of medications and offers tips on taking them.

How well a wound heals depends on where it is on the body and what caused it – as well as how well someone cares for the wound at home. Find out what to do in this article for teens.

Atrial septal defect, or ASD, is a heart defect that some people are born with. Most ASDs are diagnosed and treated successfully with few or no complications.

People who have celiac disease, a disorder that makes their bodies react to gluten, can't eat certain kinds of foods. Find out more - including what foods are safe and where to find them.

When someone has coarctation of the aorta, that person's aorta (the major blood vessel that carries blood away from the heart to the body) is narrowed at some point.

Cystic fibrosis (CF) is an inherited disease that causes the body to produce mucus that's extremely thick and sticky. It mainly affects the lungs and the pancreas, causing serious breathing and digestive problems.

Seizures are a common symptom of epilepsy, a condition that affects millions of people worldwide. Learn all about epilepsy, including what to do if you see someone having a seizure.

Hemodialysis is the type of kidney dialysis that doctors use most to take over the kidneys' job of filtering the blood. Find out more in this article for teens.

Hearing loss (also called hearing impairment) makes it hard to hear or understand sounds. But you can do something about noise-induced hearing loss.

Inflammatory bowel disease is an ongoing illness caused by an inflammation of the intestines. There are two kinds of IBD: Crohn's disease and ulcerative colitis.

Sometimes, the kidneys can't do their job properly. In teens, kidney disease is usually due to infections, structural issues, glomerulonephritis, or nephrotic syndrome.

This medical treatment helps people with kidney failure. It can be done at home, often overnight, to take over the kidneys' job of filtering blood. Find out more in this article for teens.

Sickle cell crisis is when sickled cells clog small blood vessels, causing extreme pain and other symptoms. Learn more, including how to help prevent a crisis and what to do if one does happen.

Tourette syndrome affects the body's brain and nervous system by causing tics - repeated, uncontrollable movements or involuntary vocal sounds.

At a certain point, you'll no longer be able to see your childhood doctor. Here are tips for teens on making a smooth switch to adult sickle cell care.

Turner syndrome is a genetic disorder that affects about 1 in every 2,500 girls. Learn more about the condition and how doctors treat it.

Ventricular septal defect, or VSD, is a heart condition that a few teens can have. Find out what it is, how it happens, and what doctors do to correct it.

When one or more parts of the eye or brain that are needed to process images become diseased or damaged, severe or total loss of vision can occur. Read all about visual impairment.