It is generally accepted that, having passed a period of prosperity, the human body begins to inexorably degrade. However, Dave Asprey's research suggests that this process can be controlled. Getting older does not necessarily mean aging; on the contrary, the number of years you have lived is an excellent incentive to bring your body to perfection, while acquiring truly superhuman abilities. After reading this book, you will learn how to make fairly simple but useful adjustments in nutrition, lighting, and routine. sleep and physical activity allow you to improve cognitive function, become as energetic and efficient as possible, and remain in excellent shape for many, many years.