Peter Attia MDStrong convictions, loosely held: how Peter’s views on fasting, keto, exercise, & more have changed
Peter Attia MD
Strong convictions 0:32
Peter says the phrase came from a hedge fund friend. The idea is to hold a strong view, but stay ready to change it when new facts appear. He applies that to medicine and science, where the goal is not to defend a thesis but to reduce uncertainty by following the data. He also says a good book, or a good mind, should not stay unchanged for ten years.
Diet and fasting 4:32
His early support for keto came from the insulin model of obesity and from his own experience with carbohydrate restriction. He lived on a ketogenic diet for three years, felt very good, and still thinks it can work. What changed is his view of why it works. He now thinks the main effect is that it makes energy intake easier to control. He says the same shift applies to fasting: he used to do long fasts to drive autophagy, the cell process of breaking down and recycling old parts, but he later weighed the evidence and the cost more heavily.
Member benefits 16:00
The closing stretch lists the paid extras. These include a research newsletter, a private podcast feed with every episode and AMA, and The Qualys, a highlight reel of earlier episodes. You are pointed to peterattiamd.com/subscribe for access, along with Peter Attia’s social accounts and podcast reviews.
Medical disclaimer 17:01
The episode ends with a standard notice. It says the podcast is for general information only, is not medical advice, and does not create a doctor-patient relationship. You are told to seek professional care for any medical condition and to review the posted conflict disclosures.
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