A new study published in The Lancet Public Health has quantified the effectiveness of different warning label designs in reducing added sugar consumption at restaurants. Among 3,998 participants, those viewing menus with warning labels ordered 31% less added sugar compared to control groups viewing standard menus without warnings.
The research revealed important distinctions in label effectiveness based on design. Icon-plus-text warnings featuring a prominent red triangle achieved a 35% reduction in added sugar orders, outperforming text-only warnings which achieved a 28% reduction. These findings suggest that visual design elements significantly enhance the behavioral impact of nutritional warnings. The data underscores the potential for menu labeling policies to serve as a practical, non-invasive public health intervention that could address rising rates of diet-related chronic diseases across American populations.
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