Reduction of Salt in the Diet and Improvement in Blood Pressure: Low Cost, Robust Evidence, and Challenges in Implementation

We must see the topic of “reducing salt in the diet and its benefits on blood pressure” addressed technically, thereby reinforcing the evidence of the positive results of this practice, which are always demonstrated but almost never effectively adopted.

First, let us focus on the excellent work by Kelly et al. From a quality standpoint, this is a Systematic Review and Meta-Analysis conducted with extremely careful methodology, making this article yet another reference on this crucial topic. The care taken by the authors ensures the reliability of the results, which demonstrate, once again, that reducing sodium intake effectively affects blood pressure in a manner equivalent to the use of an antihypertensive drug. The authors, elegantly concluding this finding, are also careful to point out that more information is needed in this regard, with larger studies, over longer periods, and demonstrating benefits in blood pressure control and cardiovascular outcomes.

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