Podbit · The Peter Attia Drive
Anti-amyloid antibodies clear amyloid not just from brain substrate but also from the walls of small brain arteries. This disrupts vascular integrity, causing fluid leakage (ARIA-E, edema) and then actual blood extravasation (ARIA-H, hemorrhage). In severe cases with blood thinners or large vessel disruption, it can be fatal.
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At 1:03:30 · chapter starts 1:00:00
Aducanumab's approval in July 2021 was one of the most controversial FDA decisions in memory: the agency overruled its own advisory board, which found the amyloid-lowering effects did not translate reliably into clinical benefit. Gayatri Devi was nonetheless among the first physicians to prescribe it, applying her personal rule: would she want this drug if she had Alzheimer's herself [1] — Gayatri Devi "The other thing, Peter, I always ask myself anytime a new drug comes out is, would I want this drug? If I had Alzheimer's now, knowing ever…" 1:00:59 ? Her answer was yes — reasoning that even a small clinical benefit combined with disease-modifying amyloid clearance was worth trying, especially if the ARIA risk could be mitigated with slow titration. The drug was ultimately pulled from the market not because of safety failures but because the post-approval monitoring obligations became financially unviable for Biogen, leaving only lecanemab and donanemab in the field.
Lecanemab and donanemab each cost approximately $26,000 per year for the drug alone, with additional administration fees ranging from $400 to $10,000 per infusion.
AI nailed Andrew Huberman's vertigo-vs-low-blood-pressure diagnosis because that pattern has been reported millions of times. But every patient's liver is different and data on liver surgeries is scarce worldwide — making solo robot surgery dangerous. The rule is simple: data abundance means AI can help; data scarcity means keep the human in the loop.
Fei-Fei Li's father had liver surgery performed by a da Vinci robot guided by a surgeon. The result: 10 times less blood loss than a typical procedure. This isn't replacement — it's the gold standard of human-machine collaboration, where the human's judgment and the robot's precision combine.
US drug overdose deaths fell from 110,000 to roughly 70,000 — the biggest CDC-recorded single-year drop ever. Men's rates fell 27% in one year, and the steepest decline of all was among 15–24-year-olds, down 37%. The crisis narrative around young men needs to make room for signs of genuine progress.
Kessler thought his grief expertise would protect him. It didn't. When his son David died unexpectedly, he found himself on the floor — and eventually realized that acceptance alone wasn't enough. That unmet need became the sixth stage: finding meaning.
Grief isn't just death — it's any unwanted change. Kessler lectured at Coca-Cola and General Mills not because they had lots of funerals, but because change management is grief management. People who grieve well live well.
Witnessing someone's grief isn't just emotional support — it's an essential act of healing. Kessler argues grief is a severance and connection heals it. But real witnessing has two steps: seeing the pain AND affirming the person's capacity to recover.
Avoiding grief isn't free — it's exhausting. Kessler's beach ball metaphor nails it: pushing a small balloon down is easy, but holding a massive beach ball underwater takes constant, draining energy. Unattended feelings don't disappear; they just consume you.
Most people try to control their environment to avoid triggers. Kessler flips this entirely: triggers aren't problems to manage around — they're a detailed map to your pain and your healing. Every trigger points directly to what needs attention.
Running from pain doesn't leave it behind — it accelerates the chase. Whatever we run from pursues us, and whatever we face transforms us. Both Kessler and Lewis Howes testify to knowing both roads firsthand.
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