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Dietary vitamin D intake and 2-year changes in cognitive function in older adults with overweight or obesity and metabolic syndrome

  • Héctor Vázquez-Lorente*
  • , Jiaqi Ni
  • , Indira Paz-Graniel*
  • , Estefanía Toledo
  • , Dolores Corella
  • , Olga Castañer
  • , J. Alfredo Martínez
  • , Ángel M. Alonso-Gómez
  • , Julia Wärnberg
  • , Jesús Vioque
  • , Dora Romaguera
  • , José López-Miranda
  • , Ramon Estruch
  • , Francisco J. Tinahones
  • , José Lapetra
  • , Lluís Serra-Majem
  • , Amira Bouzalmate-Hajjaj
  • , Josep A. Tur
  • , Rafael M.Micó Pérez
  • , Marta Fanlo
  • Miguel Delgado-Rodríguez, Ana Barabash Bustelo, Josep Vidal, Clotilde Vázquez, Lidia Daimiel, Emili Ros, Fernando Fernández-Aranda, Teresa Rognoni, Nancy Babio, Eva M. Asensio, Karla Alejandra Pérez-Vega, Antonio Garcia-Rios, Laura Compañ-Gabucio, Raquel Cueto-Galán, M. Angeles Zulet, Mar Nafria, Rosa Casas, Naomi Cano-Ibáñez, Luis Tojal-Sierra, Ana María Gómez-Pérez, Nuria Goñi, José V. Sorli, María Dolores Zomeño, Antonio P. Arenas-Larriva, Pedro Jiménez-Sellés, Javier Basterra-Gortari, Montserrat Fitó, Jordi Salas-Salvadó
*Autor corresponent d’aquest treball

Producció científica: Article en revista indexadaArticleAvaluat per experts

4 Cites (Scopus)

Resum

The protective role of dietary vitamin D intake on cognitive function is of interest, but evidence remains inconsistent. We aimed to evaluate the association between dietary vitamin D intake and 2-year cognitive changes in older adults at risk of cognitive decline. This longitudinal study comprised 5454 individuals (aged 55–75 years in men and 60–75 years in women) who exhibited overweight/obesity and metabolic syndrome. Data on dietary vitamin D intake was assessed using a validated 143-item food frequency questionnaire. Cognitive function was assessed through five composite scores derived from a comprehensive battery of eight neuropsychological tests, encompassing global cognitive function, general cognitive function, attention, executive function, and language domains. Multivariable-adjusted linear regression models were fitted to examine the association between energy-adjusted cumulative average dietary vitamin D intake over time and 2-year changes in cognitive function. After adjusting for multiple covariates, energy-adjusted cumulative average dietary vitamin D intake as a continuous variable was associated with greater 2-year improvements in global cognitive function (β 1.18 × 10−2; 95% CI 0.19 × 10−2 to 2.17 × 10−2), executive function (β 1.12 × 10−2; 95% CI 0.03 × 10−2 to 2.21 × 10−2), and language (β 1.61 × 10−2; 95% CI 0.43 × 10−2 to 2.78 × 10−2). Additionally, the higher cumulative average dietary vitamin D intake quartile was associated with an increase in global cognitive function (β 7.10 × 10−2; 95% CI 0.59 × 10−2 to 13.6 × 10−2), language (β 7.07 × 10−2; 95% CI − 0.52 × 10−2 to 14.7 × 10−2), and a lower decline in attention (β 9.58 × 10−2; 95% CI 1.60 × 10−2 to 17.5 × 10−2). A higher dietary vitamin D intake was associated with modest favorable changes in cognitive function and a reduced cognitive decline over a 2-year period. These findings highlight the need for further research to explore the potential benefits of boosting dietary vitamin D intake for cognitive health in older adults.

Idioma originalAnglès
Pàgines (de-a)6139-6156
Nombre de pàgines18
RevistaGeroScience
Volum47
Número5
DOIs
Estat de la publicacióPublicada - d’oct. 2025
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