Diseases and Conditions

What Is Encephalitis?

Encephalitis can be mild, but it can also cause serious health problems and even kill. Get the facts to help protect yourself and your family.

Symptoms of a Hernia

Don’t ignore a lump or bulge that seems to flatten out when you push it or if you lie down. Hernias may require surgery. Learn more about symptoms of a hernia.

Symptoms of Thyroid Problems

Of the 20 million Americans with some form of thyroid disease, 60 percent have no idea they have it. Learn more about the symptoms of thyroid problems.

What Is Reye’s Syndrome?

A very rare disorder that can damage your liver and brain, Reye’s syndrome can be fatal or lead to permanent brain injury unless it is treated quickly.

Pulmonary Embolism Symptoms

Pulmonary embolism symptoms occur when a blood clot travels, often from a leg, to a lung artery. The condition can damage your lungs and even threaten your life.

What Is Scleroderma?

Scleroderma, a rare disease, causes the skin to thicken abnormally, typically in women. The problem may begin on the hands and face before moving to the arms.

Symptoms of Pulmonary Hypertension

Pulmonary hypertension can weaken your heart so much that it can't push enough blood out to your lungs. Know the symptoms and how to manage it.

Symptoms and Treatment of Hodgkin’s Lymphoma

Swollen glands are a common sign of Hodgkin's lymphoma, a blood cancer, but they’re a symptom of infection, too. Learn how to tell the difference.