Today, it is common knowledge that the lifestyle has an extremely high influence on health. This book discusses the concept of lifestyle and the condition for a good lifestyle Western Medicine can, by its structure, only offer general or definitive advice and general restrictions without regard to the specific patient. In contrast to Western Medicine Chinese Medicine is personalized. In the center of this personalized medicine is the concept of "harmony" as the way to a good life in many relations. These relations of harmony are discussed in this book. The scientific character of Chinese Medicine is demonstrated in the book I Ching (Yi Ying), the book of changes.