“…In a random sample of more than 4,000 male veterans ranging in age from 31 to 46 years, Joesoef, Wetterhall, DeStefano, Stroup, and Fronek (1989) found a small but significant association between Ho scores and the prevalence of peripheral artery disease. In a sample of more than 3,700 Finnish male twins ages 40 to 59 years, scores on a self-report measure of anger proneness, irritability, and argumentiveness were associated with increased prevalence of angina (Koskenvuo et al, 1988).…”