Cardiovascular diseases kill and disable more than a million Americans each year. The major types of this complex of diseases are coronary heart disease, hypertensive disease, cerebrovascular diseases, rheumatic heart disease, and congenital malformations of the circulatory system. Authors Moriyama, Krueger, and Stamler relate each of these types to etiology, age of patient at onset, clinical course, and socioeconomic impact on the population. For...