Why the study?
Hypertension-related death is the leading cause of mortality worldwide, making BP control an important issue, and the authors sought to evaluate the effect of salt substitute on BP and cardiovascular disease.
Does salt substitute reduce blood pressure and mortality compared to normal salt?
Comparison
Salt substitute vs normal salt
Design
Systematic review and random-effects meta-analysis of randomized controlled trials
Authors
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Supports recommending salt substitutes in hypertension care; confirms BP and mortality benefits from meta-analysis.
Does salt substitute reduce blood pressure and mortality compared to normal salt?
Salt substitution is an effective non-pharmaceutical strategy that significantly lowers blood pressure and reduces all-cause mortality.
Tsai et al. (2022) studied this question.
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