What are colds? Colds are the most common infection of the nose, sinuses, or throat (upper respiratory infection). Colds are caused by viruses. They're spread by coughs, sneezes, and close contact. You can catch a cold at any time of year, but they're more common in late winter and early spring. There's no cure for...

Briefly discusses symptoms of sore throat caused by virus and bacteria infections and irritants. Covers common cold, mononucleosis (mono), strep throat, and flu. Covers symptoms such as swollen glands and pain. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Briefly discusses male genital problems and injuries. Looks at testicle, penis, and scrotum symptoms. Covers rashes and infections. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Briefly discusses diarrhea in older children and adults. Covers causes and symptoms such as abdominal pain and black or bloody stools. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Briefly discusses the common causes of nausea and vomiting, including stomach illnesses, infections, health conditions, and medicines. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Discusses a form of mental decline (also called dementia). Looks at possible causes. Covers symptoms like memory loss and changes in mood or behavior. Covers treatment with medicines to help with memory and thinking problems. Offers tips for caregivers.

Discusses how you can get better sleep. Offers sleep tips such as avoid caffeine and don't exercise in late afternoon. Does not cover sleep apnea or sleep disorders.

What is bulimia? Bulimia 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 time (binge). Then they do something to prevent weight gain. They may vomit or use medicines like laxatives to get rid of food (purge). Or they may...

When you're ready to make some changes to your eating habits, having a plan for how you'll get started can help you succeed. Healthy eating is about balance, variety, and moderation. It means that you eat enough, but not too much, and that you eat a variety of foods that give you the nutrients you need to stay healthy...

Briefly discusses common causes of burns, such as heat, chemicals, and friction, and the seriousness of burn depth and size. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Briefly discusses possible causes of abdominal pain in children 11 and younger, including stomach flu, urinary tract infection, constipation, and appendicitis. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Explores ways to relax your mind and your body to release stress.

Anaphylaxis (say "ann-uh-fuh-LAK-suss") is a severe allergic reaction that affects the entire body (systemic). It can occur within a few seconds or minutes after a person is exposed to a substance (allergen or antigen). Symptoms and signs of a severe allergic reaction may include: Itching. Raised, red bumps on the skin...

Covers how your thoughts can affect your mental and physical health. Offers tips on positive thinking, including having positive expectations.

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.

Discusses cardiac rehabilitation (rehab), which helps you feel better and reduce risk of future heart problems with exercise and lifestyle changes. Looks at rehab for people who have heart conditions such as heart attack, heart surgery, or heart failure.