In Brief: Is there a downside to low-sodium diets?

In Brief

Is there a downside to low-sodium diets?

We're supposed to limit our daily sodium intake to less than 2,400 milligrams, which is about the amount in a teaspoon of table salt. In return, we cut our high blood pressure risk.

But a Canadian researcher says all the low-sodium admonitions may be having the unintended consequence of lowering iodine consumption.

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