Bile acids may play lead role in weight-loss surgery

By Ashley Yeager, 19:02 PM March 27, 2014

The weight-loss surgery called vertical sleeve gastrectomy reduces the stomach to the size of a banana. The idea is that a person will feel full sooner because they have less room to take in food.

However, a new study in mice suggests that the value of the stomach-shrinking surgery actually comes from having more gastric juices swirling around a smaller space and a change in the gut microbiome, researchers report March 26 in Nature. The team identified one bile acid molecule, called FXR, that ...

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