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The Human Upgrade: Biohacking for Longevity & Performance

The Human Upgrade: Biohacking for Longevity & Performance

Everything You Need To Know About Your Poop | Gut Surgeon Explains : 1533

Sep 8, 2026 · 1h 9m

Coming soon to iPhone. Already have it? “Listen in Starcast” takes you straight there.

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About this episode

Dave Asprey and Dr. Karan Rajan dive deep into gut health, covering fiber science, fermentation, sodium myths, and the weirdest things a GI surgeon has ever removed from a patient.