The shift to farming and more sedentary lifestyles over the time is the reason why modern humans have more fragile bones, reveals a new study. The comparatively light bone structure of modern humans compared to early human species and other modern primates may be due to the modern abandonment of the constant physical activity that was inherent in the life of early hunter gathers. The most plausible explanation, he said, is that a lack of constant physical ...
via Medindia Health News
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