Participants median weight was 284 pounds; their median BMI was 45.9. The work was funded by NIHs National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) and National Center for Research Resources (NCRR). Results appeared online in a series of papers on November 4, 2013, in the Journal of the American Medical Association (JAMA) and related JAMA journals. More than 1,700 participants had gastric bypass surgery, in which the stomachs size is reduced to a small pouch that is connected to the small bowel, bypassing the rest of the stomach. About 600 had workouts laparoscopic adjustable gastric banding, which involves placing a small ring-like band around the top of the stomach to restrict food intake. Three years after surgery, participants who had gastric bypass had a visit the website median weight loss of 90 pounds (31% initial weight lost). Adults who had gastric banding had a median weight loss of 44 pounds (16% weight lost). The majority of weight loss occurred within a year after surgery. <br>Full story: http://www.nih.gov/researchmatters/november2013/11182013bariatric.htm
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