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A Thorough Examination with Drs Chris and Xand Clips

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  1. Who burns more calories 鈥� hunter-gatherers or office workers?

    Duration: 02:04

  2. "The gym is just toothbrushing for your muscles and bones."

    Duration: 01:18

  3. "When he get's angry that makes me angry... and that is a physiological thing."

    Duration: 02:25

  4. The unexpected ways we鈥檙e encouraged to consume fizzy drinks

    Duration: 03:09