Huberman Lab
Huberman Lab

Using Existing Drugs in New Ways to Treat & Cure Diseases of Brain & Body _ Dr. David Fajgenbaum

April 7, 2026

AI Summary

5 min read

🎙️ The Voices & The Context

  • The Format: A deeply personal, long-form interview between Dr. Andrew Huberman and Dr. David Fagenbaum. It feels like a fireside chat, blending intense medical science with raw, human storytelling.
  • The Key Players:
    • Dr. David Fagenbaum: A professor of translational medicine at UPenn. He is both a brilliant physician-scientist and a survivor of a near-fatal rare disease (Castleman's disease). His story is the emotional core of the episode.
    • Dr. Andrew Huberman: The host, acting as a curious and empathetic audience surrogate. He asks sharp questions about the medical system's flaws and connects David's personal resilience to neuroscience concepts.
  • The Vibe: Intense, Hopeful, and Educational. The conversation swings from the depths of medical despair (being told you are out of options) to the exhilarating high of discovering a life-saving treatment in an old drug. It's a masterclass in patient advocacy.

🗝️ Key Themes & Topics

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What you'll learn

  • 1 (00:00) **🎙️ Introduction: Dr. David Fagenbaum**
  • 2 (05:36) **The Blind Spot in Modern Medicine: Existing Drugs as Hidden Cures**
  • 3 (08:14) **Case Studies in Drug Repurposing: Aspirin, Viagra, and Lidocaine**
  • 4 (12:55) **The Patent Problem and Drug Company Incentives**
  • 5 (21:20) **How to Navigate Your Own Health Journey**
  • 6 (23:14) **The Tragedy of Unshared Knowledge: The DADA2 Example**
  • 7 (27:55) **More Repurposing Success Stories: Thalidomide and Pembrolizumab**

+ Full timestamped outline available in the app

Show Notes

Using Existing Drugs in New Ways to Treat & Cure Diseases of Brain & Body _ Dr. David Fajgenbaum

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