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Blue light makes foods visually unappealing and reduces appetite

, medical expert
Last reviewed: 02.07.2025
Published: 2014-12-18 09:00

Experts recommend that people who want to reduce the amount of food they eat use blue lighting in the kitchen. Research at the University of Arkansas found that blue lighting makes food visually unappealing. Experts suggest that blue is unnatural for food, so it immediately affects appetite.

In addition, scientists have established an interesting fact that lighting does not greatly affect women's appetite. Most likely, in their opinion, the whole point is that women, when evaluating food, rely more on the aroma of the dish than on its appearance. But the male half pays more attention to the color of the products and blue causes suspicion in their subconscious and reduces appetite.

The experts conducted their study with the participation of 112 volunteers, whom the scientists asked to eat the same dishes, but each group had its own lighting. As a result, all the participants ate different amounts of products, but the level of satisfaction was approximately the same for everyone.

Experts have previously proven that color can affect taste perception, for example, the color of the mug in which coffee is poured affects taste buds. As experts assure, in this case the psychological aspect comes into play. For example, in another study, experts found that red strawberry mousse on a white plate is perceived as more aromatic and sweet than the same dessert on a black plate.

In addition, scientists have previously established that lighting affects food choices. Thus, with good lighting or at a table by the window, visitors to cafes/restaurants more often preferred healthy food. With poor lighting, a person is prone to overeating and eating large amounts of fatty, fried, etc.

At Cornell University, experts came to the conclusion that eating by the window allows people to watch passersby, see sunlight, trees, etc., as a result, a person becomes more aware of how he looks, and thoughts about a healthy lifestyle appear.

Scientists believe that when darkness falls, people begin to think that no one will be able to see how much they have eaten, so the feeling of guilt decreases. Scientists have also found that eating in places where there are few prying eyes allows you to eat much more. As studies have shown, at a table near the door, customers order fewer salads and prefer desserts.

At a table close to the bar, people order more alcoholic drinks and cocktails (at the third table from the bar, people order three more glasses of beer or cocktails than at the fourth table).

Experts also believe that the place at the table near the TV in the bar can also change the choice of customers, since in this case people prefer fried food. Customers who sit at high uncomfortable tables are more likely to slouch, in addition, it is problematic to place dishes on these tables, so in such cases they order salads more often and desserts less often.


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