Why Higher VO₂ Max is Important | Peter Attia

This clip is from episode #379 - AMA #79: A guide to cardiorespiratory training at any fitness level to improve healthspan, lifespan, and long-term independence In this clip, they discuss: - Wearables Don’t Measure VO₂ Max Directly – Notes that devices provide VO₂ max estimates, not true measurements, because they cannot capture gas exchange - Gas Exchange Is Required for Accuracy – Explains that without measuring oxygen and carbon dioxide exchange, VO₂ max cannot be accurately assessed - Algorithm-Based Estimates Have Limits – Wearables infer VO₂ max using heart rate, pace, power, and demogra