期刊
JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY
卷 75, 期 6, 页码 632-647出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jacc.2019.11.055
关键词
blood pressure; cardiovascular disease; dietary salt; dietary sodium
资金
- MRC [MR/J015903/1, MR/P012590/1] Funding Source: UKRI
There is strong evidence for a causal relationship between salt intake and blood pressure. Randomized trials demonstrate that salt reduction lowers blood pressure in both individuals who are hypertensive and those who are normotensive, additively to antihypertensive treatments. Methodologically robust studies with accurate salt intake assessment have shown that a lower salt intake is associated with a reduced risk of cardiovascular disease, all-cause mortality, and other conditions, such as kidney disease, stomach cancer, and osteoporosis. Multiple complex and interconnected physiological mechanisms are implicated, including fluid homeostasis, hormonal and inflammatory mechanisms, as well as more novel pathways such as the immune response and the gut microbiome. High salt intake is a top dietary risk factor. Salt reduction programs are cost-effective and should be implemented or accelerated in all countries. This review provides an update on the evidence relating salt to health, with a particular focus on blood pressure and cardiovascular disease, as well as the potential mechanisms. (C) 2020 by the American College of Cardiology Foundation.
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