A new study has showed that labeling food choices in a hospital cafeteria with simple “traffic-light” symbols indicating their relative health value was associated with a reduction in calories purchased by employees, and that the dietary changes were sustained over two years.


A new study has showed that labeling food choices in a hospital cafeteria with simple “traffic-light” symbols indicating their relative health value was associated with a reduction in calories purchased by employees, and that the dietary changes were sustained over two years.
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