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. 1985;4(5):413-23.
doi: 10.1037//0278-6133.4.5.413.

Twin similarity in cardiovascular stress response

D Carmelli, M A Chesney, M M Ward, R H Rosenman

Twin similarity in cardiovascular stress response

D Carmelli et al. Health Psychol. 1985.

Abstract

Cardiovascular (CV) responses to laboratory stressors were measured in 12 pairs of identical and 21 pairs of fraternal adult male twins. For this study, blood pressure and heart rate were measured during a mental arithmetic task and the Cold Pressor Test. The analyses of cardiovascular responses to these stressors were designed to test for the presence of a genetic component in cardiovascular reactivity in an adult sample of twins aged 54-64 years. The results suggest that certain measures of cardiovascular reactivity to laboratory stressors may be heritable for both physical and psychological stressors. The possible role of this genetic component in the etiology and course of coronary heart disease is discussed.

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