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Gut microbes followed migrating humans across continents, new study suggests

Oct 7, 2026 · Pien Huang

Originally published by NPR News Read the original

Gut microbes followed migrating humans across continents, new study suggests
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New research looks at the surprising similarities in the gut microbiomes of hunter-gathers in Tanzania and horticulturalists in Bolivia, and asks: What role do these bacteria play in human health?

(Image credit: Michael Gurven)

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