Wellness Database: Salt
Salt is a common ingredient in many diets. Unfortunately, while salt helps food taste better it reduces endothelial functioning and may increase heart disease risks.
Salt Impairs Endothelial Function
In a study involving 16 healthy, normotensive subjects, consumption of a high salt meal (65 mmol Na) was associated with a significant impairment in flow-mediated dilation, as compared to the effect on FMD seen after consumption of a low-salt (5 mmol Na) meal. The authors state that consumption of a meal high in salt, which is the amount typically consumed, may have an acute effect, within 30 minutes, on suppressing brachial artery FMD. They conclude, "These results suggest that high salt intakes have acute adverse effects on vascular dilatation in the postprandial state."
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