complete with explanations and illustrations;. Illustration by Rob Donnelly. Click image to expand.. In one study, teens who underwent gastric bypass lost an average of 37 percent of their body mass. A reader writes in Dr. Sean Kenniff's column to ask: "I recently had gastric bypass surgery, and now my hair is falling out. Why?. Gastric Bypass 1 ,One type of Roux-en-Y procedure for gastric bypass wherein the contents of the esophagus passes Rice - cooker through a reduced stomach and section of. Some procedures, such as gastric banding (see illustration above),

restrict food intake by making the stomach smaller. Roux-en-Y gastric bypass (see. Gastric Bypass Surgery Gastric Bypass Surgery Illustration. Gastric Bypass Surgery via the Roux-en-Y procedure

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