Study shows color-coding food guides healthy eating

Researchers experimented with color-coding foods into red, yellow and green categories.

Jan. 20—A Massachusetts study has shown that color-coding foods sold in hospital cafeterias may help guide customers to make more nutritious choices.

Researchers experimented with colour-coding foods into red, yellow and green categories depending on how healthy they were. Colour-coded hospital cafeteria foods such as pre-made sandwiches were moved around to make healthy items more visible.