Population-wide salt reduction makes no sense, according to latest worldwide clinical trial

… and the effect of salt reduction in the salt-sensitive isn’t really anything to write home about.

CardioSource.org reports:

The benefits of dietary sodium restrictions are more strongly associated with initial blood pressure levels in older individuals who are hypertensive and consume high levels of sodium than in younger people who are not hypertensive and consume less sodium, according to results from the PURE-Sodium Study released on Sept. 3 at the ESC Congress 2013 in Amsterdam…

Each 1 gm (43.5 mmol) increase in sodium excretion was associated with a 2.56 mmHg increase in systolic blood pressure and a 1.05 mmHg increase in diastolic blood pressure (p < 0.001). The investigators found no association between sodium excretion levels less than 3 g per day and blood pressure levels; a weak to modest association between sodium excretion levels of 3 to 5 g per day and blood pressure levels; and a strong association between sodium excretion levels greater than 5 g per day and blood pressure levels.

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[h/t @SaltGuru]

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