Volume 7, Number 15, January - December, 2015

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Compelling epidemiological, experimental and clinical data has established that excess salt intake is associated with a higher cardiovascular morbidity and mortality. Several prospective cohort studies and clinical outcome trials have recognized the reduced risk of cardiovascular disease associated with a lower salt intake. The major benefits appear to accrue from a reductions in blood pressure as a result of salt restriction. As a result, efforts are being made by several countries to reduce the salt intake from the current level of 9-12 g/day to less than 5-6 g/day. Population based reduction in salt intake is expected to result in a substantial decline in major cardiovascular events, prevention of millions of premature deaths and massive healthcare savings worldwide. Two recent reports have however questioned the validity of severe salt restriction and present persuasive data recommending a restrained restriction (Ref: Shashi K Agarwal. Salt Intake: Cardiovascular Concerns and Controversies. Disease, 2015, 7(15), 1-5).

ANALYSIS

Salt Intake: Cardiovascular Concerns and Controversies

Shashi K Agarwal

Compelling epidemiological, experimental and clinical data has established that excess salt intake is associated with a higher cardiovascular morbidity and mortality. Several prospective cohort studies and clinical outcome trials have recognized the reduced risk of cardiovascular disease associated with a lower salt intake. The major benefits appear to accrue from a reductions in blood pressure as a result of salt restriction. As a result, efforts are being made by several countries to reduce the salt intake from the current level of 9-12 g/day to less than 5-6 g/day. Population based reduction in salt intake is expected to result in a substantial decline in major cardiovascular events, prevention of millions of premature deaths and massive healthcare savings worldwide. Two recent reports have however questioned the validity of severe salt restriction and present persuasive data recommending a restrained restriction.

Disease, 2015, 7(15), 1-5

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