Health Information Library

This contagious liver infection is caused by a virus. Learn more about its symptoms, treatment and prevention, including the hepatitis A vaccine.

This infection is caused by the overgrowth of the fungus Candida albicans in the mouth.

Learn about the symptoms, causes and vaccine prevention of this virus that's easy to catch and sometimes fatal.

Learn about the causes and treatment of heavy menstrual periods.

This complicated condition may be triggered by an infection. While there's no cure for ME/CFS, treatment focuses on easing symptoms.

The muscle weakness from this condition can make it hard to climb stairs or reach up. Breathing and swallowing also can be affected.

Muscle weakness and a skin rash are part of this condition. There's no cure, but treatments can ease symptoms.

Learn what causes this infection of the inner lining of the heart chambers and valves (endocardium) and find out how to prevent and treat it.

Get more information about the causes of this potentially life-threatening lung condition and learn how to treat and prevent it.

Learn more about the symptoms and prevention of this viral infection that easily passes to others.

This collection of blood within the skull is a serious, possibly life-threatening, complication of a head injury.

Learn about this potentially fatal condition that causes fluid buildup in the brain. It can cause a range of symptoms, from headaches to poor balance.

Learn how doctors use surgery, liver transplant, radiation, chemotherapy and other methods to treat hepatocellular carcinoma and other types of liver cancer.

Learn about symptoms, treatment and prevention of this life-threatening condition in which the body loses heat faster than it can generate it.

This serious infection of the reproductive organs can cause long-term complications such as infertility and ongoing pain. Know the symptoms and causes.

This rare disease causes an early decay of nerve cells in the brain. Learn about its symptoms and how treatments may help.

This rare autoimmune condition affects the nerves, causing weakness and tingling in the arms and legs that quickly spreads throughout the body.

Learn about this vaccine-preventable disease that once was common in childhood and is known for a splotchy rash and high fever.

Don't let emotional eating derail your weight-loss efforts. Use these tips to get back on track.

Learn how to avoid contaminated food and water that may lead to this common travel hazard. Plus, find out what to do if it strikes.