Our ability to prevent and reverse these conditions—and feel incredible today—is under our control and simpler than we think. The key is our metabolic function—the most important and least understood factor in our overall health. As Dr. Casey Means explains in this book, nearly every health problem we face can be explained by how well the cells in our body create and use energy. To live free from frustrating symptoms and life-threatening disease, we need our cells to be optimally powered so that they can create “good energy,” the essential fuel that impacts every aspect of our wellbeing.

After years of watching patients cycle through her practice, Dr. Gabrielle Lyon noticed a pattern. While her patients struggled with a wide range of conditions, they all suffered from the same core problem: they had too little muscle rather than too much fat.

Dr. Gladys McGarey, cofounder of the American Holistic Medical Association, began her medical practice at a time when women couldn’t even have their own bank accounts. Over the past sixty years, she has pioneered a new way of thinking about disease and health that has transformed the way we imagine health care and self-care around the world.

The New York Times best-selling author of Fat Chance explains the eight pathologies that underlie all chronic disease, documents how processed food has impacted them to ruin our health, economy, and environment over the past 50 years, and proposes an urgent manifesto and strategy to cure both us and the planet.

Wouldn’t you like to live longer? And better? In this operating manual for longevity, Dr. Peter Attia draws on the latest science to deliver innovative nutritional interventions, techniques for optimizing exercise and sleep, and tools for addressing emotional and mental health.