Sodium Intake and Mortality Follow-Up in the Third National Health and Nutrition Examination Survey

Hillel W. Cohen, et al, Journal of General Internal Medicine, May 9, 2008

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Conclusion  

Observed associations of lower sodium with higher mortality were modest and mostly not statistically significant. However, these findings also suggest that for the general US adult population, higher sodium is unlikely to be independently associated with higher CVD or all-cause mortality.

Comment:  Using a federal government database constructed to mirror the general healthy population found that over 20 years, those consuming the government's recommended 2,300 mg/day sodium intake level (or less) had 37% greater cardiovascular mortality.