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bariatric surgery

Bariatric surgery induces weight loss by physically restricting the amount of food patients can eat and/or by interrupting the digestive process. It does not work by removing fatty tissue from the body.

  • Restrictive surgeries - such as the Lap-Band procedure physically limit the amount of food a patient can consume by reducing the size of the stomach or the amount it can expand.
  • Combined procedures - including gastric bypass, do the same but also surgically reroute the digestive tract so that food actually bypasses most of the stomach. Combined procedures make up 80 to 85 percent of all bariatric surgeries performed in the United States.
  • Malabsorptive procedures - do not affect food intake but instead limit the absorption of calories and nutrients from food by creating a bypass around a significant length of intestine.
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