Health Library

Claudication is pain in your thigh, calf, or buttocks that happens when you walk. It may be a symptom of peripheral artery disease (PAD). This is when narrowed or blocked arteries reduce the blood flow to your legs.

First identified in the early 1990s in the desert Southwest, the hantavirus has been reported in more than 30 states. Learn more about the virus and hantavirus pulmonary syndrome by taking this quiz.

Bursitis is an inflammation of a closed sac of fluid located near the joints called a bursa. When the bursa becomes inflamed, it causes joint pain and swelling. Learn about the causes and treatment of bursitis, as well as what you can do to help prevent its recurrence.