BJSM Podcast We never evolved to exercise. Why exercise is not always effective medicine. EP#566
Jan 13, 2025
Chris Macdonald, a researcher at the University of Copenhagen and an elite athlete, joins Harvard's Professor Daniel Lieberman, a paleoanthropologist known for his work on endurance running. They explore why exercise often fails as effective medicine, highlighting our evolutionary instincts against voluntary activity. They discuss the distinction between efficacy and effectiveness in treating conditions like type 2 diabetes. The conversation emphasizes the need for enjoyable exercises and supportive environments to foster long-term adherence and engagement in physical activity.
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Exercise vs. Human Nature
- Humans did not evolve to exercise, possessing instincts to avoid unnecessary exertion.
- Exercise is beneficial but challenging due to this inherent conflict with our nature.
Waning Enthusiasm
- James Walsh notes that patients' exercise enthusiasm often wanes over time.
- He asks Daniel Lieberman to elaborate on the evolutionary perspective, challenging the 'primal superman' notion.
Energy Conservation
- Hunter-gatherers, while active out of necessity, also prioritize energy conservation.
- Modern conveniences exacerbate this instinct, making exercise feel unnatural.