| • | Body Mass Index Calculator Healthy, overweight or obese? The calculator will let you know. |
| • | Depression Self-Assessment Everyone has moments of sadness. But there's a world of difference between a passing moment of unhappiness and the deep-down debilitating disorder known as depression. Our self-test can help you and your doctor decide whether blues merit a closer look. |
| • | A Look At Your Colon Explore our interactive illustration ... and learn. |
| • | How Many Beats, How Many Breaths Tell us when you were born, and we can tell you (approximately, of course) how many times your heart has beat and how many breaths you have taken. |
| • | Heart Basics: An Interactive Illustration Your heart pumps 2,000 gallons of blood each day. Learn how. |