Sex differences and blood pressure regulation in humans

What is the topic of this review? Over the past decade, our team has investigated interindividual variability in human blood pressure regulation. What advances does it highlight? In men, we have found a tight relationship between indices of sympathetic activity and vascular resistance across the age span. This relationship is absent in young women but seen in postmenopausal women. These sex and age differences in vascular resistance are largely a result of changes in the balance of vasodilating and vasoconstricting adrenergic receptor tone. When these changes are considered along with cardiac output, a coherent picture is beginning to emerge of why blood pressure rises more with age in women than men.

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