Gut Flora Fix for Fitness?

 
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THE HUMAN GUT MICROBIOME—a world of bacteria that teems in your gut—profoundly affects health, but the exact mechanisms remain largely elusive. Now A. Sloan Devlin, an assistant professor at Harvard Medical School, and her team have discovered that altering a single gene in a single type of bacteria can even change the metabolism of the host organism.

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Sara Wissinger