Recently, Chris Kresser published a series on dietary salt (sodium chloride) and health (1). One of the issues he covered is the effect of salt on blood pressure. Most studies have shown a relatively weak relationship between salt intake and blood pressure. My position overall is that we're currently eating a lot more salt than at almost any point in our evolutionary history as a species, so I tend to favor a moderately low salt intake. However, there may be more important factors than salt when it comes to blood pressure, at least in the short term.
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