According to a study published in the American scientific journal Food Quality and Preference , eating together can affect the amount of food consumed. However, the noise of uncle Dede when he eats oysters at the family meal or the sound of the carrot crunch that is tasted in the evening when nobody speaks, seems to hinder. American researchers have looked into the question and have made several experiments of the "crunch effect" (the effect of crunching) on ​​different guinea pigs. The result remains the same: those who are exposed to an ambient sound that prevents them from hearing the sound of their chewing eat on average more than participants who agree to chew (4 pretzels against 2.75 pretzels). And it seems that the noise of mastication in an advertisement (like those we see on cereals for example) has the same effect!

It has already been proven that chewing food longer and taking the time to eat has an impact on the amount of food consumed. By eating less quickly, the body has time to digest and a chain of receivers sends signals to the brain of satiety. We are therefore more quickly satisfied. Turn off the TV, turn down the volume, all these gestures that prevent hearing the sound of chewing are therefore preferred.