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Nutritious rainbow

  •  March 28, 2020


Nutritious rainbow

Green sign for healthy eating. Experience shows that when food is labeled with traffic light colors, even the bad choices are conscious. The information is served.

The test was conducted at the Massachusetts General Hospital cafeteria. On the shelves, the foods were classified in the international standard of traffic signal colors. Thus, consumers could choose dishes that were green (light sandwiches, fruits and salads), yellow (medium-fat snacks) and red (processed foods with little or no nutritional value). In a second phase, the drinks were included. The green was left for mineral water, diet sodas and low-calorie dairy drinks placed on the highest shelves. Yellow and red were assigned to normal and energy soft drinks, positioned at the levels below.

By using color coding, and arranging “green” foods on the “noblest” shelves (at eye level and within easy reach), their consumption has skyrocketed. Overall, its sales increased by 12%, while red items had a 20% drop in consumption. Red drinks fell 39%.


The most encouraging in the study, published in American Journal of Preventive Medicine, is that consumers, employees and medical staff (people from different social classes, education and economic levels) continue to follow the codes. And making lighter choices, even after the "new thing" is over, as the program is two years old and is only now being scientifically publicized. Researchers believe this is evidence that the shift to healthy habits persists. Because the body likes and prefers to stay that way.

Serving information with food: This is the best way to make the complicated speech of nutritionists simpler.

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Light foods have been classified

The colors of the rainbow can help create tasty and nutritious meals for kids (March 2020)


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