Outlive by Peter Attia, MD, Bill Gifford, et al

In "Outlive: The Science and Art of Longevity," Dr. Peter Attia shifts the focus from "Medicine 2.0"—which treats diseases only after they appear—to "Medicine 3.0," a proactive approach aimed at extending both lifespan (how long you live) and healthspan (how well you live).

Attia argues that to reach "High Camp" in our later years, we must confront the "Four Horsemen" of chronic disease: metabolic dysfunction (Type 2 diabetes), cardiovascular disease, cancer, and neurodegenerative disease (Alzheimer’s).

The Core Pillars of Medicine 3.0:
Exercise as the Ultimate Drug: Attia places exercise at the top of the pyramid. He emphasizes training for the "Centenarian Decathlon"—a list of physical tasks you want to be able to do in your 90s (like carrying groceries or picking up a grandchild).
He focuses on:
Zone 2 Stability: Steady aerobic work to improve mitochondrial health.

VO2 Max: The best predictor of long-term mortality.

Strength & Stability: The "armor" that prevents falls and frailty.

Nutritional Biochemistry: Moving away from diet fads, Attia focuses on how food affects your unique metabolic markers. The goal is to avoid insulin resistance and maintain muscle mass through adequate protein intake.

Sleep and Emotional Health: He treats sleep as a non-negotiable recovery tool and highlights that longevity is meaningless if your emotional health is in the "Muddy Trenches." He candidly shares his own journey with emotional regulation as a vital part of the "Long Ascent."