This Past Weekend w/ Theo Von

#641 - Breathing Expert James Nestor

February 20, 2026·1h 41m·6-min readinterviewhealth
Podzilla Summary (6 min)
TLDR
How we breathe profoundly affects nearly every aspect of our health — from sleep and focus to facial development and chronic disease — yet modern habits like mouth breathing and poor indoor air quality have degraded this foundational biological function. The solution lies not in complex i

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Guest

J

James Nestor

interview on This Past Weekend w/ Theo Von

Mentions

Books, people, and resources mentioned in this episode.

People

James NestorTheoRichard BrownSwami RamaWim HofJimmy Carter

Books

Breath: The New Science of a Lost Art

Research & Papers

Harvard study on CO2 and cognitive performance

Topics

BiohackingFitnessLongevityMental HealthNeuroscienceNutritionSleep

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