What Present-Day Hunter-Gatherers Can Tell Us About the Bacteria in Our Gut

The Hazda is a small group of hunter-gatherers living in the central Rift Valley of Tanzania, one of the few remaining groups of people left in the world who still collect the majority of their diet through foraged foods. Modernity has still managed to touch their lives, of course, but far less than it has for those of us in the post-industrialized West. For this reason, scientists have long been interested in studying their biology, in hopes of gleaning something about humanity’s evolutionary path.

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