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Inflammatory biomarkers and academic performance in youth. The UP & DOWN Study

AuthorsEsteban-Cornejo, Irene; Martínez Gómez, D. ; Gómez Martínez, Sonia ; Campo, Juan del; Fernández-Santos, Jorge; Castro-Piñero, José; Marcos, Ascensión ; Veiga, Óscar
KeywordsAcademic performance
Children and adolescents
Inflammatory biomarkers
Issue Date2016
CitationBrain, Behavior, and Immunity 54: 122-127 (2016)
AbstractInflammation influences cognitive development in infants and older adults, however, how inflammation may affect academic development during childhood and adolescence remains to be elucidated. This study aimed to examine the association between inflammatory biomarkers and academic performance in children and adolescents. A total of 494 youth (238 girls) aged 10.6 ± 3.4 years participated in the study. Four inflammatory biomarkers were selected: C-reactive protein (CRP), interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α) and white blood cell (WBC) count. An inflammatory index was created using the above mentioned biomarkers. Academic performance was assessed through schools records. Results showed that three of the four inflammatory biomarkers (CRP, IL-6 and WBC) and the inflammatory index were negatively associated with all academic indicators (β values ranging from -0.094 to -0.217, all P < 0.05) independent of confounders including body fat percentage. Indeed, youth in the highest tertile of the inflammatory index had significantly lower scores in all academic indicators compared with youth in the middle tertile (scores ranging from -0.578 to -0.344) and in the lowest tertile (scores ranging from -0.678 to -0.381). In conclusion, inflammation may impair academic performance independently of body fat levels in youth. Our results are of importance because the consequences of childhood and adolescence inflammation tend to continue into adulthood. Lifestyle interventions in youth may be promising in reducing levels of inflammation beyond the reduction in body fat in order to achieve cognitive benefits.
DescriptionOn behalf of the UP & DOWN Study Group: Coordinator: Ascension Marcos. Principal Investigators: Ascension Marcos, Oscar L. Veiga, Jose Castro-Piñero, and Fernando Bandrés. Scientific Coordinators: David Martinez-Gomez (chair), Jonatan R. Ruiz (co-chair), Ana Carbonell-Baeza, Sonia Gomez-Martinez, and Catalina Santiago. Spanish National Research Council: Ascension Marcos, Sonia Gomez-Martinez, Esther Nova, Esperanza L. Diaz, Belén Zapatera, Ana M. Veses, Jorge R. Mujico, and Alina Gheorghe. Autonomous University of Madrid: Oscar L. Veiga, H. Ariel Villagra, Juan del-Campo, Carlos Cordente (UPM), Mario Diaz, Carlos M. Tejero, Aitor Acha, Jose M. Moya, Alberto Sanz, David Martinez-Gomez, Veronica Cabanas-Sanchez, Gabriel Rodriguez-Romo (UPM), Rocio Izquierdo-Gomez, Laura Garcia-Cervantes, and Irene Esteban-Cornejo. University of Cadiz: José Castro-Piñero, Jesús Mora-Vicente, José L. González-Montesinos, Julio Conde-Caveda, Francisco B. Ortega (UGR), Jonatan R. Ruiz (UGR), Carmen Padilla Moledo, Ana Carbonell Baeza, Palma Chillón (UGR), Jorge del Rosario Fernández, Ana González Galo, Gonzalo Bellvís Guerra, Álvaro Delgado Alfonso, Fernando Parrilla, Roque Gómez, and Juan Gavala. Complutense University of Madrid: Fernando Bandrés, Alejandro Lucia (UEM), Catalina Santiago (UEM), and Felix Gómez-Gallego (UEM).
Identifiersdoi: 10.1016/j.bbi.2016.01.010
e-issn: 1090-2139
issn: 0889-1591
Appears in Collections:(ICTAN) Artículos
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