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.
Germs: We find them everywhere—or they find us. It seems we can't stay away from them. We spend a lot of time worrying about picking them up, sharing them, and losing them. But what do we really know about germs? Take this quiz to find out.