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Hadza and Tsimane gut microbiomes show striking ancient similarity

Original: Similarity in gut microbiome between Hadza hunter-gatherers in Tanzania and Tsimane hunter-horticuturalists in Bolivia s

Researchers are highlighting that the gut microbiomes of the Hadza hunter-gatherers in Tanzania and the Tsimane hunter-horticulturalists in Bolivia are notably similar. The shared bacterial profile suggests a deep ancestral biodiversity predating human migrations out of Africa, hinting that some gut bacteria have coexisted with humans across continents for tens of thousands of years. Anthropologists and microbiome scientists are discussing what this means for studies of diet, health and human ancestry.

Why now: New coverage of the microbiome comparison is drawing attention because it offers rare evidence linking modern Indigenous populations to ancient human ancestry and biodiversity.

HadzaTsimaneTanzaniaBoliviaNPR

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Evidence

• Similarity in gut microbiome between Hadza hunter-gatherers in Tanzania and Tsimane hunter-horticuturalists in Bolivia suggests deeptime biodiversity ancestry preceding human migrations. # anthropology # gutbacteria # migration https://www. npr.org/2026/10/07/nx-s1-59878… · RadicalAnthro@c.im · 8

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