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.
What happens to that cheeseburger and fries (or, we hope, that whole-wheat bread
and green salad) you had for lunch? During the digestive process, food is converted into
energy that's used by your body. Take this quiz to see how much you know about how digestion works.