type A behavior, type B behavior

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In 1959 two American cardiologists, Meyer Friedman (1910–2001) and Ray H. Rosenman (b. 1920) described personality profiles they designated type A and type B, associated, respectively, with high and low risk of coronary heart disease. The type A personality profile is characterized by ambition, competitive drive, impatience, aggressive tendencies, and argumentative conversational style. The person with type B personality is more patient and reflective, listens carefully, and decides without hurrying. Much work has been done on the relationship of these personality types to cardiovascular and other diseases, risk of accidents, and other correlates. Although the findings are somewhat inconsistent, there does appear to be a weak association of personality to the risk of getting or dying of certain diseases, including coronary heart disease.

Subjects: Public Health and Epidemiology.

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