#472 Scientist Reveals the Hidden Program of Aging and How to Control It - Josh Mitteldorf PhD episode artwork

EPISODE · Sep 26, 2025 · 1H 20M

#472 Scientist Reveals the Hidden Program of Aging and How to Control It - Josh Mitteldorf PhD

from Siim Land Podcast · host Siim Land

Josh Witteldorf is a PhD in physics who pivoted to researching aging and investigated the evolutionary reasons for aging and human lifespan. He's written the book Cracking the Aging Code.Check out Bon Charge wellness products (Code SIIM for 15% discount): https://boncharge.com/siimlandTimestamps:00:00 Intro00:30 How Josh, as a physicist, got into aging research04:35 Why aging is an evolutionary program13:50 Why humans die and age20:45 Bon Charge sponsorship21:35 Why did aging evolve as an adaptation24:40 Species that are biologically immortal30:25 Shocking way group selection selects for aging and death33:55 How predator-prey relations select for aging43:15 Can humans control our own evolution48:15 A long-term human calorie restriction experiment in Biosphere 252:50 Insulin’s effects on aging 55:20 mTOR and aging57:15 Can you deprogram aging and extend lifespan01:10:00 Gene editing01:15:15 Josh’s predictions for the futureJosh Mitteldorf blog: https://scienceblog.com/joshmitteldorf/ Josh's book Cracking the Aging Code: https://amzn.to/4mFmC6mStart rewinding your biological clock: https://www.siimland.co/course

Josh Witteldorf is a PhD in physics who pivoted to researching aging and investigated the evolutionary reasons for aging and human lifespan. He's written the book Cracking the Aging Code.Check out Bon Charge wellness products (Code SIIM for 15% discount): https://boncharge.com/siimlandTimestamps:00:00 Intro00:30 How Josh, as a physicist, got into aging research04:35 Why aging is an evolutionary program13:50 Why humans die and age20:45 Bon Charge sponsorship21:35 Why did aging evolve as an adaptation24:40 Species that are biologically immortal30:25 Shocking way group selection selects for aging and death33:55 How predator-prey relations select for aging43:15 Can humans control our own evolution48:15 A long-term human calorie restriction experiment in Biosphere 252:50 Insulin’s effects on aging 55:20 mTOR and aging57:15 Can you deprogram aging and extend lifespan01:10:00 Gene editing01:15:15 Josh’s predictions for the futureJosh Mitteldorf blog: https://scienceblog.com/joshmitteldorf/ Josh's book Cracking the Aging Code: https://amzn.to/4mFmC6mStart rewinding your biological clock: https://www.siimland.co/course

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#472 Scientist Reveals the Hidden Program of Aging and How to Control It - Josh Mitteldorf PhD

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Josh Witteldorf is a PhD in physics who pivoted to researching aging and investigated the evolutionary reasons for aging and human lifespan. He's written the book Cracking the Aging Code.Check out Bon Charge wellness products (Code SIIM for 15%...

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