Diabetes

Over the latest studies, interviewed the top clinicians in obesity science, and listened to the real-life experiences of men and women struggling to maintain their weight. Here, the latest (and often unexpected) thinking behind size and thighs, fatness and fitness.

It's a condition in which your body can't maintain the right level of blood sugar, or glucose -- the source of energy that powers muscles, organs and other body systems. There are three types of diabetes.