Whether calculating your target heart rate, assessing your risk for a common condition, or testing your knowledge of today's health concerns, these tools help you manage your health. They are easy to use, informative, and often surprising.
Lupus is an autoimmune disorder that affects the whole body. It is also called systemic lupus erythematosus, or SLE. It can range from mild to severe. The Lupus Foundation of America says that as many as 1.5 million Americans have lupus. Most of them are women. Find out more about this disease by taking the following quiz.