Leaders in the field present today’s most comprehensive coverage of bariatric surgery, one of the most promising current treatments for the growing global epidemic of overweight and obesity. This brand new resource begins with a through examination of the history, incidence, demography, etiology, biology, comorbidities, longevity, and social and economic implications of obesity. It then discusses pre-, peri-, and postoperative issues of importance before examining the evolution of bariatric procedures. Individual chapters present the best surgical approaches, their outcomes, and other considerations involved in this surgical approach.