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Story summary
- Scientists from City of Hope, Broad Institute, and Keio University identify how gut bacteria and diet convert white fat to beige fat in mice.
- The study, published in Nature, shows a low-protein diet activates gut microbes that signal fat tissue to burn.
- The two-step process alters bile acids and prompts the liver to release FGF21.
- Researchers caution that mouse results from an extreme diet cannot yet apply to humans.
