Gut Bacteria Reprogram Fat Tissue

As a medical school professor, I teach that white fat stores energy and brown fat burns it.

Now a landmark Nature study reveals your gut bacteria can convert one into the other.

Here's the breakthrough:

Specific gut bacteria metabolize taurine from bile acids, producing ammonia that triggers the liver to release FGF21 -- a hormone that transforms white fat cells into en...
https://www.nature.com/articles/s41586-026-10205-3

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