The population consists of individuals who meet the NIH consensus statement for the surgical treatment of obesity. These individuals will have a BMI greater than 35 kg/m2 and a medical comorbidity or 40 kg/m2. These subjects will have voluntarily initiated a consultation for bariatric surgery and completed the pre-bariatric surgery weight management program. After failing this program, the patients will undergo surgical consultation for bariatric surgery. It is only after this consultation that the subjects will be approached for enrollement in the study.