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corybroo

Protein limits gut microorganisms

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Medical News Today has an article How and why our bodies starve gut bacteria (https://www.medicalnewstoday.com/articles/323509.php)

> The results of Reese and colleagues' analysis revealed that bacteria are kept on a short leash in the human gut: they have access to around 1 nitrogen atom per every 10 carbon atoms. This is much less than what free-living microbes get: 1 nitrogen atom to every 4 carbon atoms, on average.

The more protein the researchers gave the mice, the more the number of gut bacteria increased. 

"Our findings," says David, "support the idea that we've evolved a way to keep our bacteria on a leash by leaving them starving for nitrogen."

...why the Western diet might be bad for us. When people eat too much protein, it swamps the host's ability to take up that nitrogen in the small intestine, and more of it ends up making its way to the large intestine, eliminating our ability to control our microbial communities."

 

 

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