Feel Better, Live More with Dr Rangan Chatterjee BITESIZE | What Hunter-Gatherers Can Teach Us About Movement, Exercise and Ageing Well | Professor Daniel Lieberman #624
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Feb 13, 2026 
Daniel Lieberman, Harvard professor of human evolutionary biology and author of Exercised, explains why movement feels alien and how our ancestors’ active lives shape modern habits. He debunks myths like 10,000 steps, highlights energy-saving instincts, and argues for purposeful, social ways to build sustainable movement into daily life.
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Tarahumara Runner Epiphany
- Daniel Lieberman recounts a Tarahumara elder asking why anyone would run if they didn't have to.
- This illustrated that discretionary exercise is alien to many cultures and not an evolved behaviour.
We Avoid Unnecessary Effort By Design
- We evolved to avoid unnecessary effort and only move when it's necessary or rewarding.
- That explains why treadmill-style exercise in unattractive settings feels aversive to many people.
Reframe Activity As Purposeful, Not Punishment
- Stop blaming yourself for not enjoying purposeless exercise and reframe physical activity positively.
- Make activity part of rewarding or necessary tasks rather than a medicalised chore.
