Why We Age: The Secret Trade-Off In Your DNA

Why We Age: The Secret Trade-Off In Your DNA

Siim Land
Siim Land
Aug 29, 2026  #1

Dr. Steven Austad is a biologist and leading expert on the evolution of aging, known for studying why different animal species age at dramatically different rates. Before entering science, he worked as a lion trainer in Hollywood.

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Timestamps:
00:00 Intro
00:25 How Dr Austad went from a lion tamer to aging research
03:20 Why animals life so different lifespans
07:25 Why natural selection selects for shorter lifespans
08:40 What limits human lifespan
12:10 Bon Charge sponsorship
13:00 Is the first person to live to 150 is already alive
17:40 How can we make humans live to 150
21:40 mTOR pathway and lifespan
25:45 Rapamycin
29:15 Is protein restriction a viable longevity strategy
33:10 Is calorie restriction a viable longevity strategy
36:08 Metformin
38:20 SGLT2 inhibitors
40:30 Are billionnaires taking extending their own lifespan seriously
43:30 Gene editing
45:15 Can common supplements extend lifespan
48:20 How to know if aging research is working
49:20 Biomarkers of aging
52:20 How AI will transform aging research
53:30 What should people prioritize to extend their lifespan
57:30 Stay up to date with Steve’s research

Dr. Steven Austad website: https://www.stevenaustad.com/

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Video on my bloodwork that ranked me #1 at the Longevity World Cup https://youtu.be/2xrxXOVnLzE

P.S. This is not professional medical advice and should not be taken as such. The creator of this video is not held accountable for your health. Consult your doctor first.