01741nas a2200241   4500000000100000008004100001100001300042700001400055700001600069700001900085700001100104700001400115700001200129700001300141700001900154245010800173250001500281300001000296490000700306050001600313520111900329020005101448       2016                            d1 aTrieu K.1 aMclean R.1 aCampbell N.1 aJohnson Claire1 aRaj T.1 aArcand J.1 aWong M.1 aLeung A.1 aWebster Jacqui00aThe Science of Salt: A Systematic Review of Quality Clinical Salt Outcome Studies June 2014 to May 2015  a2016/07/22  a832-90 v18  a[IF]: 2.8513 a<p>
Studies identified from an updated systematic review (from June 2014 to May 2015) on the impact of dietary salt intake on clinical and population health are reviewed. Randomized controlled trials, cohort studies, and meta-analyses of these study types on the effect of sodium intake on blood pressure, or any substantive adverse health outcomes were identified from MEDLINE searches and quality indicators were used to select studies that were relevant to clinical and public health. From 6920 studies identified in the literature search, 144 studies were selected for review, of which only three (n=233,680) met inclusion criteria. Between them, the three studies demonstrated a harmful association between excess dietary salt and all-cause mortality, noncardiovascular and cardiovascular disease mortality, and headache. None of the included studies found harm from lowering dietary salt. The findings of this systematic review are consistent with the large body of research supportive of efforts to reduce population salt intake and congruent with our last annual review from June 2013 to May 2014.
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