Association Between Consumption of Ultraprocessed Foods and Cognitive Decline

NG Gonçalves, NV Ferreira, N Khandpur… - JAMA …, 2023 - jamanetwork.com

JAMA Neurol. 2023;80(2):142-150. doi:10.1001/jamaneurol.2022.4397

Published: 05 December 2022

Importance

Although consumption of ultraprocessed food has been linked to higher risk of cardiovascular disease, metabolic syndrome, and obesity, little is known about the association of consumption of ultraprocessed foods with cognitive decline.

Objective

To investigate the association between ultraprocessed food consumption and cognitive decline in the Brazilian Longitudinal Study of Adult Health.

Design, Setting, and Participants

This was a multicenter, prospective cohort study with 3 waves, approximately 4 years apart, from 2008 to 2017. Data were analyzed from December 2021 to May 2022. Participants were public servants aged 35 to 74 years old recruited in 6 Brazilian cities. Participants who, at baseline, had incomplete food frequency questionnaire, cognitive, or covariate data were excluded. Read more