Health Information Library

This surgery removes the large intestine. It's often done to treat ulcerative colitis and other bowel conditions.

This serious mental health problem affects how your teenager thinks, feels and behaves, and can cause emotional, functional and physical problems.

An inflamed, red eye can be a minor nuisance — but sometimes it means a more serious problem. Find out about symptoms, treatment and prevention for this potentially dangerous eye condition.

Find out when and how to help your child stop thumb sucking.

This lung condition causes low oxygen levels and shortness of breath in people who have advanced liver disease.

This genetic condition causes tumors on nerve tissue. Surgery and other therapies can manage symptoms.

Find out what to expect during this skin cancer surgery that involves removing thin layers of skin until only cancer-free tissue remains.

Learn the symptoms of this mental health condition, and ways to manage worry and fear that interfere with your daily activities.

This symptom overview covers the definition and possible causes of excess tearing.

This common injury is usually the result of falling, playing sports or being in a traffic accident.

Self-care measures, such as rest and ice, might be all that's needed for an injury to one of the hamstring muscles.

This type of emergency birth control can help prevent a pregnancy after sex if protection wasn't used or didn't work.

The spleen helps the body fight infection, but people can live without a spleen. Learn about the risks and results of this surgery to remove the spleen.

Learn about this minimally invasive laser procedure to treat an enlarged prostate.

Myocardial ischemia reduces blood flow to the heart and may cause chest pain — but not always. Learn all the signs and symptoms and how to treat it.

Vaginal itching or burning could mean a yeast infection. Learn about other symptoms and treatments for this condition.

This symptom can be scary, but the cause is most often not cancer. Find out possible causes and when to see a doctor.

These round, fluid-filled pouches on or in the kidneys are sometimes discovered during imaging tests. Find out when treatment may be needed.