Health Information Library

Find out what to do when symptoms such as headache, fatigue and dizziness last longer than expected after an injury causes a concussion.

This allergy can cause a serious reaction in children and adults. Learn the symptoms and what to do in case of a serious reaction.

In complicated grief, painful emotions of loss don't improve with time and are so severe that you have trouble recovering and resuming your own life.

Learn the symptoms of this serious mosquito-borne infection and how to protect yourself from it.

Foods and medicines can change the color of urine. But a color change also could be a sign of disease.

Learn about a rare inherited disease that often shows up in infancy and causes fragile, blistering skin on the palms and feet. Severe disease may be fatal.

In this heart muscle disease, the heart's main pumping chamber stretches and can't pump blood well. Learn about the causes and treatment.

Stuttering, sometimes called stammering, is a speech condition that involves problems with rhythm and flow when speaking.

Know the signs and what to do for this dangerous increase in body temperature.

Lots of things can cause bloody urine. Some are serious problems, and others are harmless. Find out why it's always important to get a checkup.

Find out how your risk factors affect the types of tests you'll likely need for sexually transmitted infections.

Standard treatments may not help much at all, or your symptoms may improve, only to keep coming back. Explore options for treatment-resistant depression.

Make a plan to help a loved one break free from an addiction to alcohol, drugs, food or gambling before it destroys them.

Very short stature of 4 feet 10 inches or less that results from a genetic or medical condition is considered dwarfism. Learn about causes and treatment.

Treatment of this injury depends on the site and severity of the break. Simple breaks might be treated with a sling and ice. Complicated fractures may require surgery.

Turner syndrome affects only females as the result of a missing or partially missing X chromosome, causing a variety of medical and developmental problems.