Ultra-processed foods (UPFs) have become a significant concern for public health, particularly as their consumption among children and adolescents has drastically increased globally. UPFs, which are industrial formulations that often contain high levels of sugar, fat, and additives but low nutritional value, can account for 50–60% of children's daily energy intake in many high-income countries. This alarming trend raises concerns about various health issues, including obesity, metabolic syndrome, and early cardiovascular risk.
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Research indicates that high UPF intake is linked to excessive weight gain and conditions like metabolic syndrome and cardiovascular problems in young populations. Moreover, UPFs contribute to dental caries and increase the prevalence of allergic diseases like asthma and atopic dermatitis. Factors influencing early UPF exposure include familial and socioeconomic elements, as well as behavioral habits such as parental dietary choices, breastfeeding duration, and screen time.
The Developmental Origins of Health and Disease (DOHaD) framework emphasizes the importance of nutritional exposures in early life, indicating that maternal UPF consumption during pregnancy and lactation may negatively impact offspring's health, leading to conditions such as obesity, altered neurodevelopment, and immune-related issues.
Current evidence suggests that strategies promoting the consumption of unprocessed and minimally processed foods, combined with family-based nutrition education, could be essential in mitigating the adverse effects of UPFs. The role of food environments, parental awareness, and breastfeeding practices are critical areas that could help foster healthier dietary patterns in children. Overall, a life-course approach emphasizing proper nutrition from pregnancy through adolescence is necessary to combat the rising prevalence of non-communicable diseases linked to UPF consumption.