About the book: 1977 / The book tells about the reasons for the growth of diseases of the human cardiovascular system in the conditions of civilization. The influence of various environmental factors on the human body is considered, the physiological mechanisms of the development of emotional stress and the resulting changes in the activity of the heart and blood vessels are described, and data on the role of poor nutrition in the development of diseases of the cardiovascular system is presented. Based on an analysis of the above facts, the author comes to the conclusion that the increase in heart and vascular diseases is not inevitable and that these diseases can be prevented.