Eating disorder is a form of a mental disorder that is characterized by abnormal eating habits. These disorders cause negative effect on an individual's mental or physical health. There are various types of eating disorders such as anorexia nervosa, bulimia nervosa, muscle dysmorphia and binge eating disorder. Obesity is a complex disease caused by an eating disorder in which a person eats too much without enough physical activity. It can be caused by genetic, behavioral, metabolic and hormonal influences on body weight. The most common symptoms of eating disorders include fatigue, weakness and sensitivity to cold. Preventive measures focus on early identification of an eating disorder. Some of the most common treatments of eating disorders are cognitive behavioral therapy, recreation therapy, art therapy, medical nutrition therapy, dialectal behavioral therapy, and family therapy. This book contains some path-breaking studies on eating disorders and obesity. The topics included herein are of utmost significance and bound to provide incredible insights on the prevention and treatment of these medical conditions. The extensive content of this book provides the readers with a thorough understanding of the subject.