A simple, color-coded system for labeling food items in a hospital cafeteria appears to have increased customer's attention to the healthiness of their food choices, along with encouraging purchases of the most healthy items.
Fuente : http://www.eurekalert.org/pub_releases/2013-10/mgh...
Fuente : http://www.eurekalert.org/pub_releases/2013-10/mgh...