Weight loss is achieved by reducing the size of the stomach with a gastric band or through removal of a portion of the stomach (sleeve gastrectomy or biliopancreatic diversion with duodenal switch) or by resecting and re-routing the small intestine to a small stomach pouch or (Roux-en-Y gastric bypass(RYGB)surgery).
from Zee News :Zee News - Health http://ift.tt/2EPVop1
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