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Ultra-Processed Foods, Dietary Quality and Human Health

A special issue of Nutrients (ISSN 2072-6643). This special issue belongs to the section "Nutrition and Public Health".

Deadline for manuscript submissions: 20 July 2025 | Viewed by 816

Special Issue Editor


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Guest Editor
Institute of Nutritional Medicine, University Medical Center Schleswig-Holstein, 23538 Luebeck, Germany
Interests: pharmaconutrition; dietary supplements; functional food; food fortification; plant-based dairy and meat alternatives

Special Issue Information

Dear Colleagues,

A plethora of epidemiological studies demonstrate associations between the high consumption of ultra-processed food (UPF) and the risk of almost any non-communicable disease (NCD), disease-specific mortality, and all-cause mortality. Observational studies have notable limitations, as have the different food classification systems, and proof of causality and its distinct mechanisms is still lacking. Although intuitive and apparently plausible, the concept of UPF is intricate and has been challenged by mechanistic studies. Moreover, calls for a regulatory restriction of UPF marketing and consumption would have an impact not only on food safety, nutrient supply, and dietary habits, but also on sustainability, food fortification, resource efficiency, food waste, planetary health goals, and socio-economic perspectives. Therefore, different dimensions have to be taken into account when assessing the consequences of dietary recommendations that are not based on nutrients, but on the degree of food processing.

Prof. Dr. Martin Smollich
Guest Editor

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Keywords

  • ultra-processed food
  • NOVA classification
  • non-communicable diseases
  • food systems

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Published Papers (1 paper)

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Research

12 pages, 391 KiB  
Article
Investigating the Relationship Between Ultra-Processed Food Consumption and Academic Performance in the Adolescent Population: The EHDLA Study
by José Francisco López-Gil, Emily Cisneros-Vásquez, Jorge Olivares-Arancibia, Rodrigo Yañéz-Sepúlveda and Héctor Gutiérrez-Espinoza
Nutrients 2025, 17(3), 524; https://doi.org/10.3390/nu17030524 - 31 Jan 2025
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Abstract
Background: Previous studies have tested the link between diet quality and academic performance in the young population. However, no study has analyzed the specific relationship between ultra-processed food (UPF) consumption and academic performance in adolescents. The aim of the present study was to [...] Read more.
Background: Previous studies have tested the link between diet quality and academic performance in the young population. However, no study has analyzed the specific relationship between ultra-processed food (UPF) consumption and academic performance in adolescents. The aim of the present study was to test the link of UPF consumption with academic performance in a sample of adolescents from Spain. Methods: This secondary cross-sectional analysis utilized information from 788 youths aged 12–17 participating in the Eating Healthy and Daily Life Activities study. The sample comprised 44.7% boys and 55.3% girls, with a median age of 14.0 years (interquartile range [IQR]: 13.0 to 15.0). The UPF consumption was measured through a self-completed food frequency survey. Academic performance was determined using end-of-year academic records provided by each educational institution. To examine the relationships between these variables, generalized linear models were employed. The models were adjusted for factors including sex, age, socioeconomic status, conduct, physical activity, sleep duration, body mass index, and sedentary behavior. Results: Significant dose–response associations between UPF consumption and all the different academic performance indicators, showing that higher UPF consumption is consistently associated with poorer academic performance (p < 0.001 for all). Higher daily UPF servings were associated with lower adjusted marginal means for grade point average, language, maths, and English. Furthermore, adolescents in the highest UPF tertile had a grade point average of 5.6 compared to 6.6 in the lowest tertile, with similar patterns being observed for language (6.0 vs. 7.0), maths (5.2 vs. 6.2), and English (5.7 vs. 6.6). Conclusions: Our study identifies a negative association between UPF consumption and academic performance in adolescents, highlighting it as a modifiable factor that could impact academic outcomes. Adolescents with higher UPF consumption exhibited consistently lower grades across various academic indicators, emphasizing the importance of dietary quality during this critical developmental period. Full article
(This article belongs to the Special Issue Ultra-Processed Foods, Dietary Quality and Human Health)
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