Your Body Was Built For a World That's Gone | Daniel Lieberman

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This is an interview by the New Scientist channel with Daniel Lieberman, a professor of evolutionary biology at Harvard University. The video focuses on the concept of "evolutionary mismatch." The professor explains how the human body evolved over millions of years to adapt to a hunter-gatherer environment (which required significant physical activity and the accumulation of fat for survival). However, the modern environment has changed too rapidly (from the industrial era to the present) with the explosion of ultra-processed foods, high amounts of sugar and fat, and a sedentary lifestyle. This mismatch is the root cause of modern chronic diseases such as obesity and diabetes.