The purpose of the MGB (Single Anastamosis Gastric Bypass) is to create a smaller stomach (a mini stomach) that is long and narrow and that bypasses a section of the small intestine before any food is absorbed. The new mini stomach will hold only a small amount of food which leads to early satiety.

The MGB works by restricting the amount of food that can be eaten at any one time, and by altering the gut hormones involved in appetite control.








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