In Dr. Shinya"s groundbreaking book The Enzyme Factor, he introduces his theory of stem enzymes and how they effect health and longevity. In The Rejuvenation Enzyme Dr. Shinya introduces the idea of a new category of enzyme, capable of reversing the damage done in aging by cleaning up senescent or "zombie" cells . In this ground breaking book learn: how rejuvenation enzymes destroy zombie cells. why purple food improves your eyesight and your memory. all about the "cancer switch." how cells know what to do. Also included is a full Rejuvenation Weekend plan for switching on your rejuvenation enzyme and revitalizing your health.