内容简介：
The Teen Eating Disorder Prevention Books provide in-depth examinations of eating disorders, including their causes, symptoms, and treatment. The series gives critical information about developing sensible eating habits and a positive body image while encouraging teens to build self-esteem and practice healthy living.Exercise is healthy and great fun, but it can be overdone. Some teens, obsessed with real or imagined problems with their physical appearance, don't know when to stop exercising. This book explains both the benefits and dangers of exercise, what problems exercise can and cannot solve, and how to put together a balanced workout that won't threaten your health.