This book was written to elucidate the great inner knowledge of the Chinese and Greek sages of old in matters of dietary science. Modern man perceives food only for its chemical properties depending on the substances it contains, which can be proteins, carbohydrates, fats, vitamins, minerals, etc. Chinese dietetics is closely related to traditional Chinese medicine and acupuncture. It is the science that is based on the principles of physics and uses food for its electromagnetic properties.