The purpose of this book is to look beyond the external shell of the body to understand the organs and life-support systems: how and under what conditions they work reliably and for a long time, and when and inevitably they will start to malfunction. The book explains how to preserve and multiply your health resource without medicines and operations. The core principle of the method is to search for the root cause of illness and to restore the weakest links in the body in order to improve the quality of health and achieve active longevity.