Health Information Library

Watery, irritated eyes may happen when your tears can't drain. Learn about this common eye condition that affects newborns and, sometimes, adults.

This cardiac pacing device is placed in the chest to help control the heartbeat. Know when you might need one.

Learn about the memory and thinking changes that sometimes happen during and after cancer treatment. Find out about treatments for this condition and ways to cope.

This procedure delivers precise radiation therapy to treat brain tumors and other brain conditions.

Most people experience eye twitching now and then, but it's not always harmless. Find out when these spasms might mean something more serious.

Some medicines and herbal remedies, including those used to treat pain, depression and the common cold, can increase blood pressure.

Learn about symptoms, tests and treatments for children born with a problem in the structure of the heart.

Learn more about high blood pressure that's caused by another medical condition. Find out about risk factors and treatments to help you stay healthy.

This viral infection causes a runny and stuffy nose. Find out how to ease symptoms and when to see a healthcare professional.

In entropion, your eyelid turns inward, causing lashes and skin to rub against the eye. Learn about causes and treatment for this irritating eye condition.

Ectropion is an eye condition in which your eyelid sags or turns outward. Find out about causes and treatment for this common eye problem.

Learn what's involved in this major surgery that replaces a diseased or failing lung with a healthy lung, and what you can expect after the procedure.

Excessive sweating: Symptom — Overview covers definition, possible causes of this symptom.

Learn the causes of lower numbers of disease-fighting cells in the blood.

Learn causes of low blood oxygen and find out when to call your doctor.

Learn the causes of this increase in disease-fighting cells in the blood.

In this procedure, specialists aim to fix or replace a faulty gene to try to cure a disease or make the body better able to fight a disease.

Learning how your thoughts, feelings and behaviors interact helps you view challenging situations more clearly and respond to them in a more effective way.

Learn more about how to treat this common symptom and when to see a health care provider.

Learn more about what can cause a stuffy nose and how to relieve it.