Gastric bypass surgery causes sugar-burning gut growth in rats

Intestinal changes could explain rapid improvements in diabetes

By Meghan Rosen, 13:53 PM July 25, 2013

A beefed-up chunk of intestines might do the heavy lifting of gastric bypass surgery.

The surgery’s rapid diabetes-improving effects appear to stem from growth of new intestinal tissue. After having an operation to remodel the gut, obese rats build the new tissue by drawing sugar from the blood, researchers report in the July 26 Science. This energy drain could explain how the most popular type of gastric bypass lowers diabetic patients’ sugar levels surprisingly swiftly, says coauthor Nichol...

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