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.
Paget disease is a condition that affects the bones. It often causes them to become enlarged and deformed. Worldwide, it is the second most common bone disease, after osteoporosis. It is named after Sir James Paget, who first diagnosed the disease in 1877. Learn more about Paget disease by taking this quiz.