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Who burns more calories – hunter-gatherers or office workers?
Incredibly, they both burn the same, explains evolutionary biologist Prof. Herman Pontzer
Duration:
More clips from A Thorough Examination with Drs Chris and Xand
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"The gym is just toothbrushing for your muscles and bones."
Duration: 01:18
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The unexpected ways we’re encouraged to consume fizzy drinks
Duration: 03:09
