If you put people on a low-salt diet, meaning they are only getting twice as much sodium as they need – as opposed to a usual salt diet where they’re getting five times more – you get a significant improvement in artery function. Lower salt improves arterial function, suggesting heartprotective effects beyond just blood pressure reduction. Now, this was after dropping people’s salt intake by approximately one teaspoon a day for two weeks. But what if you only dropped salt intake by a half teaspoon or so a day? You still get a significant improvement in artery function, and it happens within just two days of reducing one’s salt intake – or, even after a single meal. In my video Sodium and Arterial Function: A-Salting Our Endothelium, I show what happens 30, 60, 90, and 120 minutes after consuming a meal with just a pinch of salt in it versus eating the same meal, but made with a quarter teaspoon of salt ; we see a significant suppression of arterial function. Now, is this in addition to the spike in blood pressure from salt or because of the spike in blood pressure?
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