Also called: Bypass surgery, Gastric banding, Obesity surgery. If you're very overweight a

Weight loss surgery limits the amount of food you can take in. Some operations also restrict the amount of food you can digest. Many people who have the surgery lose weight quickly. If you follow diet and exercise recommendations, you can keep most of the weight off. The surgery has risks and compli

Weight-loss surgery changes the anatomy of your digestive system to limit the amount of food you can eat and digest. The surgery aids in weight loss and lowers your risk of medical problems associated with obesity. Gastric bypass is the favored bariatric surgery in the United States. Surgeons prefer this surgery because it's safer and has fewer complications than other available weight-loss surgeries. It can provide long-term, consistent weight loss if accompanied with ongoing behavior changes.