The secret to living a long, disease-free life? You already possess it?you just might not be aware of it yet. Discover the revolutionary way to maintain health and youthfulness in this groundbreaking and accessible book by one of the leading scientists in the country.Inside our bodies is an ancient mechanism that is built into our cells that eliminates toxic materials, initiates fat-burning, and protects cells against stress. Called autophagy, this complex operation can not only slow down the aging process, but can optimize biological function as a whole, helping to stave off all manner of disease?from diabetes to dementia?and affording us the healthy lifespan we never thought possible. So how do we activate it? It?s actually as simple as flipping a switch. Packed with the latest research and written in a clear, engaging style, The Switch effortlessly explains how we can use and benefit from the body?s natural process to maintain your health and live longer and younger.