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What a hunter-gatherer diet does to the body in just three days

By Tim Spector

Updated 0859 GMT (1659 HKT) July 5, 2017

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The Hadza people live in a remote part of Northern Tanzania. They have lived in the area for thousands of years, and represent one of the oldest lineages of mankind.
Photos: Africa's ancient hunter gatherers struggle for survival
Living with the Hadza – The Hadza people live in a remote part of Northern Tanzania. They have lived in the area for thousands of years, and represent one of the oldest lineages of mankind.
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The Hadza face mounting challenges. In the past 50 years along, they have lost up to 90% of their land.
Photos: Africa's ancient hunter gatherers struggle for survival
Living with the Hadza – The Hadza face mounting challenges. In the past 50 years along, they have lost up to 90% of their land.
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The Hadza do not store food or cut trees to build houses. Instead, they make finding sustenance a daily activity, and build temporary huts made from dry grass.