Nature Medicine | Spoonful of Medicine

Mandatory limits on salt content could save lives, researchers say

Governments should force companies to curb salt content in processed foods, rather than leaving it up to food manufacturers to voluntary regulate salt levels, according to a new study. Researchers from the University of Queensland in Australia came to this conclusion after measuring the public health benefits and cost effectiveness of three different salt reduction strategies: dietary advice, voluntary incentives and mandatory limits. The first two interventions only had minimal impacts, according to the authors’ theoretical model, but forcing companies to reduce salt content cut ill-health from heart disease by 18%. “If we rely on companies to voluntarily reduce salt 


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