Is Your Microbiome In Charge?

Is it possible that the hundred trillion microbes that make up the microbiome in the human gut “know” what nutrients they need, and in seeking them influence our dietary choices? This interesting theory holds that, in some cases, our intestinal flora nudges us toward fat or sugar and possibly obesity. A new review of recent scientific literature concludes that our microbes actually can trigger cravings, as their attempts to receive more of the foods they need for growth affect our eating behavior. The authors of the review write that it is “unclear” how the microbes might do this, but suggest that they may influence food choices by releasing signaling molecules into the gut, which has links to the immune system, endocrine system and nervous system. 

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