Personality Type and Heart Disease Risk: Two Have Greater Risk

2010-09-15 10:12

Researchers have often linked heart disease risk to one of two personality types – Type A or Type B. But there are also two lesser known types, C and D, the latter of which is emerging as a greater risk factor for heart-related problems than Type A’s.

Type A and Type D Personalities At Greater Risk for Heart Disease

The Type A and Type B personality theory was introduced by cardiologists Meyer Friedman and RH Rosenman in the 1950’s to describe a pattern of behaviors thought to be risk factors for coronary heart disease. Type A individuals are impatient (sometimes hostile), highly competitive, controlling, aggressive and have difficulty relaxing. Type B personalities, in contrast, are patient, relaxed and easy going.

Drs. Friedman and Rosenman found, after a nine-year study of healthy men aged 35-59, that Type A personalities have double the risk of coronary heart disease.

Read: High Stress, Cortisol, and Cardiovascular Mortality


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