Leukemia is a cancer of the bone marrow and blood. It is characterized by the uncontrolled production of blood cells.

The more active you are, the more calories you burn. Running or jogging, for instance, burns more calories than bowling.

Most adults who drink alcohol are moderate drinkers and are at low risk for alcohol dependence. If you're concerned about drinking use this tool to find out if you have a problem.

Recently updated to focus on patients diagnosed when an adult. Updated animations of blood glucose and insulin interaction provide a better understanding of Type 1 diabetes. Explains how Type 1 Diabetes cannot be prevented and helps patients learn how to manage the condition. Covers common risk factors, as well as treatment options and side effects. Also available in Spanish.

Plastic surgery is becoming more popular, with the most common procedure now breast augmentation, or enlargement. Contrary to what you may think, women with breast implants aren't immune to breast cancer.