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Regular breakfast and more frequent consumption of fruits and vegetables are associated with greater life satisfaction, researchers in Peru have found. The results of a cross-sectional study involving 511 students were published in the journal Nutrients.

The analysis showed that dietary habits alone do not directly increase life ratings, but are significantly related to levels of positive emotions — vigor, joy, and overall good mood. It is this positive emotional background that turned out to be a key factor associated with higher life satisfaction. This mechanism is how the effect of nutrition manifests.

Students who ate fruits and vegetables more often and had regular breakfasts reported, on average, a more pronounced positive attitude. The study model showed that positive emotions "transmit" the influence of nutrition on subjective well-being and explain more than half of the differences in life satisfaction levels among participants.

The authors note that the results emphasize the importance of not only the nutrient value of the diet but also its role in everyday emotional state. In their opinion, student support programs should consider nutrition and psychological well-being as interconnected elements rather than separate areas of health care.