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Gastric Bypass for Excess Weight

Gastric bypass surgery is the most common bariatric operation. Post-surgery, the stomach is so small that only one to two ounces of food can fit inside the walnut-sized pouch. Gastric bypass surgery is completed either laparoscopically (through a small incision) or through open surgery - the former reduces scarring, though it cannot be performed on extremely obese patients.

On average, patients drop 10 to 20 pounds per month during the first year after surgery, shedding almost 61% of their excess weight. Gastric bypass surgery requires a total lifestyle change, including regular exercise and miniscule meals. The operation costs between $18,000 and $35,000.

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