This publication is devoted to the pressing problems of obesity and their scrutiny. Data presented includes fresh information on classification and diagnostics of obesity and eating disorders, physiology and pathophysiology of abnormal eating behavior among obese and its correction methods. The treatment of abnormal eating behavior among obese manifestations has become a critical issue. The book includes findings on etiology and pathogenesis of the obesity and introduces up-to-date treatment methods. A separate chapter presents data collection of authors of pathological eating behaviors among obese. The book is intended for the use in professional education, further training of general practitioners and by students of medical schools.