Psychological aspects of bariatric surgery

Surgeons may focus on the gut, but it's also important to consider the brain.

Bariatric surgery, which enables people who are severely obese to lose significant amounts of weight, is becoming increasingly popular in the United States. In 2000, about 36,700 Americans underwent some type of bariatric surgical procedure; by 2007, more than five times as many — about 205,000 people — had undergone such procedures.

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