Everyone knows that the hand is a human working tool. However, not everyone realizes that it can also tell about the state of health. This book describes phenomena that we are not used to considering as diagnostic principles: shaking hands, the condition of fingers, nails and nail holes, the pattern of veins, various spots and lines of the palm. The author tells how to find out the state of health from your own palm or the palm of another person and predict its changes. Using the advice given in this book, you can avoid many troubles, predict your well-being, prevent diseases in time, and if they exist, cure yourself. The material presented in the book is colorful and understandable. It is easy to use and can be relied upon for accuracy. Numerous illustrations, drawings and clinical examples, which the author collected over the course of his many years of medical practice, greatly facilitate understanding. The importance of this book for readers interested in their health and well-being cannot be exaggerated. It will also be useful for medical professionals to facilitate the diagnosis of diseases.