A study of lab mice, published on Wednesday, begs to differ. It concludes that one of the most common and effective forms of bariatric surgery, called Roux-en-Y gastric bypass, melts away pounds not - or not only - by re-routing the digestive tract, as long thought, but by changing the bacteria in the gut.
Or, in non-scientific terms, the surgery somehow replaces fattening microbes with slimming ones.
If that occurs in people, too, then the same bacteria-changing legerdemain achieved by gastric bypass might be accomplished without putting obese patients under the knife in an expensive and risky operation, so may we say bye-bye, obesity.
--SPA 21:28 LOCAL TIME 18:28 GMT
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