Daily intake of salt should be limited to 1,500 mg for all Americans, according to an advisory statement from the American Heart Association (AHA)."The 2020 goal of the American Heart Association is to improve the cardiovascular health of all Americans by 20% while continuing to reduce deaths from [cardiovascular disease] and stroke by 20%," Lawrence J. Appel, MD, of Johns Hopkins, and colleagues wrote online in Circulation.
Two key components of improving cardiovascular health are population-wide lowering of blood pressure below 120/80 and reducing sodium chloride intake below 1,500 mg per day, observed AHA president Appel.
Action Points --->
- Note that the American Heart Association states that two of the key metrics for ideal cardiovascular health are a blood pressure of 120/80 mm Hg and sodium consumption of 1500 mg/day.
Note further that in this advisory, the AHA reviews the evidence for the benefits of reduced sodium intake and issues a call to action. The evidence linking salt intake with blood pressure -- and the major adverse outcomes of heart disease, stroke, and kidney disease -- is "impressive," wrote the authors of the advisory.
That evidence includes more than 50 trials assessing the blood pressure effects of salt, as well as a meta-analysis showing that cutting salt intake by about 1,800 mg per day lowered blood pressure by 5 mm Hg systolic and 2.7 mm Hg diastolic.
Various studies also have compared the benefits and outcomes of a number of different sodium reduction goals. Notably, reducing salt consumption also can help prevent the blood pressure increases that come with age, ultimately affecting 90% of adults.
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