Why the study?
National governments that have passed laws to reduce sodium intake have not measured the impact of these laws on sodium consumption and blood pressure.
Do mandatory national regulations restricting sodium content in processed foods reduce population-level sodium consumption and blood pressure in adults?
Do mandatory national regulations restricting sodium content in processed foods reduce population-level sodium consumption and blood pressure in adults?
Mandatory national regulations restricting sodium content in processed foods were associated with significant, sustained reductions in population-level sodium consumption and systolic blood pressure.
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May inform sodium policy evaluation in similar settings; leaves open causal effects on cardiovascular outcomes.
Gaziano et al. (2025) studied this question.
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