 Harvard Gazette | Color-coded labels, healthier food Harvard Gazette Using color-coded labels to mark healthier foods and then displaying them more prominently appears to have prompted customers to make more healthful long-term dining choices in their large hospital cafeteria, according to a report from Harvard ... Traffic light food labels promote healthy, lasting choices 'Traffic light' food labels, positioning of healthy items produce lasting ... Dr. Marla Shaprio: 'Traffic-light' labelling aims to improve healthy choices |
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