Genetic influence on cardiovascular reactivity

In a new study recently published in Psychosomatic Medicine, PredSL PI Harold Snieder and co-workers investigated the genetic and environmental architecture of blood pressure and underlying hemodynamics at rest and during stress in two ethnic groups. Cardiovascular measures obtained during both conditions showed substantial heritability indices that were comparable between individuals of African and European descent. Most of the variance in both resting and stress levels was found to be explained by common genetic factors, although other genetic factors that only contribute to cardiovascular levels during stress were also found to be important.

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