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Ancient human migrations carried vanishing gut microbes across the globe

Original: Prehistoric global migration of vanishing gut microbes with humans

A new study in Nature reports that some gut bacteria co-migrated with prehistoric humans as populations spread across the world, and that these inherited microbial lineages are now disappearing from modern populations. The findings suggest certain gut microbes evolved alongside human lineages and their loss may be tied to changes in diet, hygiene and lifestyle, raising concern about what the disappearance could mean for human health.

Why now: Fresh research in Nature linking the global decline of inherited gut microbes to prehistoric human migration has drawn attention.

Naturegut microbiomeprehistoric humans

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