Gastric bypass is a form of weight loss surgery, or bariatric surgery that's performed on people who are severely overweight. The goal of gastric bypass surgery and all weight loss surgeries is to drastically reduce food intake so rapid weight loss is achieved. The gastric bypass procedure is performed while the patient is under general anesthesia, and there are generally two different ways to do the surgery. One method is called the Roux-en-Y-gastric bypass, and the other is called a biliopancreatic diversion bypass. The Roux-en-Y-gastric bypass is the less complicated and more often used surgery of the two, and it can be performed laparoscopically so it won't leave as big a scar and is less invasive. In each technique, a smaller stomach pouch is created to greatly reduce hunger and slow food intake. Not just anyone can stroll in and request a gastric bypass, and specific reasons must exist before a surgeon will perform it.
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