If you eat less salt, your blood pressure goes down steadily — even at very low salt levels, cutting back more still helps lower it.

66

Pro

0

Against

Evidence from Studies

Supporting (1)

66

Community contributions welcome

66

Blood Pressure Effects of Sodium Reduction

Systematic Review With Meta-Analysis

Human

2021 Apr 20

This study looked at what happens when people eat less salt, and found that the less salt they ate, the lower their blood pressure went — all the way down to very low levels, with no point where cutting more salt stopped helping.

Contradicting (0)

0

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No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Blood Pressure Effects of Sodium Reduction

Score: 66

DOI: 10.1161/CIRCULATIONAHA.120.050371

Similar Assertions

Cutting back on salt can lower your blood pressure a little bit—about 3 to 5 points for the top number and 1 to 3 points for the bottom number—and this works the same way whether you're Asian, Black, or White, as long as you start with similar blood pressure and salt intake.

59

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Even if your blood pressure is normal, cutting back on salt still helps lower it a little—which could help prevent high blood pressure as you get older.

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Cutting down on salt lowers blood pressure more for people who already have high blood pressure than for those with normal blood pressure—about 2.5 times more.

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Eating less salt can lower your blood pressure a little bit, and that might help keep your heart healthier and prevent heart problems.

36

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If you cut down on salt, your blood pressure drops more if you already have high blood pressure than if you don’t—and the drop is about 6.5 mm Hg higher for every 100 mmol of salt you reduce.

66

0

90%