Have a Little More Salt

Excess sodium consumption has been linked to higher rates of heart attack, stroke and heart failure, but a new study suggests having too little dietary salt may also be detrimental, at least in people already at risk for cardiovascular disease.

The international study of almost 29,000 individuals, published this week in the Journal of the American Medical Association, found that high consumption of sodium-rich foods is indeed associated with a greater incidence of cardiovascular events like heart attack.

““But what was surprising – and we didn’t expect it – is that very low sodium intake actually was also associated with a higher risk of these events,” said co-principal author Salim Yusuf, a cardiologist and epidemiologist at McMaster University in Hamilton.

The researchers found that people with a low salt intake had higher rates of cardiovascular death and hospitalization for congestive heart failure.

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