Attia’s frame is that medicine is good at trauma and infection and bad at the four things that actually kill most people: heart disease, cancer, neurodegeneration, and metabolic dysfunction. All four build for decades before anybody screens for them, and by the time you have a diagnosis you’re playing defense. So he argues for acting forty years early, with far more aggressive testing than a normal physical gives you. The exercise chapters are the strongest part, especially his insistence that grip strength, VO2 max, and stability predict how the last decade of your life goes. He’s also candid that the evidence behind some of it is thin.
Outlive: The Science and Art of Longevity