Sedentary Agricultural Lifestyle Led To Lighter Human Bone Structure

December 23, 2014 3:40 PM

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Evolution constantly adapts organisms to their environment and activities and humans are no exception. Recent research by physical anthropologists shows that modern human skeletons only evolved into their lightly built form around 12,000 years ago, with some human populations only showing the shift over the last 8,000-9,000 years.

The study involved high-resolution imaging of bone joints from modern humans and chimpanzees, which were then compared to fossils of extinct human species. The study shows proto-humans and humans had heavy bone density until a notable decrease modern human bone density beginning around 10,000 BC.

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