Why the study?
Does dietary salt intake, race, or hypertension status affect blood pressure and heart rate reactivity to psychological and cold pressor stressors in men?
Population
88 men (51 normotensive and 37 unmedicated hypertensive), including black and white participants.
Comparison
Moderately high salt diet (200 meq sodium/day) vs Extremely low salt diet (10 meq sodium/day)
Design
Other
Authors
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Dietary salt does not blunt stress reactivity; leaves open whether hypertension status exaggerates responses to psychological stressors.
Does dietary salt intake, race, or hypertension status affect blood pressure and heart rate reactivity to psychological and cold pressor stressors in men?
While baseline hypertension and race influence cardiovascular reactivity to acute stressors, dietary salt intake does not appear to alter these physiological responses.
Dimsdale et al. (1990) studied this question.
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