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The Weird Thing That Could Be Behind Your Cravings

dimanche 5 octobre 2014 | 14:00

If you can't kick the urge to reach for a candy bar, the microbes in your stomach may be to blame, according to a new article published in the journal BioEssays.
See, the bacteria that make up the community of microbes in your stomach, known as the gut microbiome, all need different types of nutrients. Some prefer fat, while others would much rather have sugar, for example. Scientists aren’t sure of the exact process involved, but they think the gut microbiome sends signaling molecules from your stomach to your immune, endocrine, and nervous systems. In turn, those signals can influence your behavior, prompting you to seek out food loaded with whatever nutrient the bacteria need to stay strong. Certain types of stomach bacteria may also be linked to cancer, obesity, and diabetes, influencing your health even more directly.
“Bacteria within the gut are manipulative,” corresponding author Carlo Maley, Ph.D, director of the University of California San Francisco Center for Evolution and Cancer, said in a statement. “There is a diversity of interests represented in the microbiome, some aligned with our own dietary goals, and others not.” So while you may want to be all about kale salads, your gut may be pushing you to go for dessert instead.

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