Food insecurity is associated with lower cognitive functioning in a national sample of older adults

The Journal of Nutrition Jul 12, 2019

Portela-Parra ET, et al. - In a national sample of 1,823 adults aged ≥ 60 years, researchers explored the connections between food insecurity and cognitive functioning via multivariate linear regression models, adjusting for sociodemographic and health characteristics. They used the 10-item Adult Food Security Survey Module to measure food security. Using the Consortium to Establish a Registry for Alzheimer's Disease (CERAD) word learning subtest and delayed word recall, the Animal Fluency Test (AFT), and the Digit Symbol Substitution Test (DSST), cognitive function was measured. Food insecurity was linked to lower scores on the CERAD word learning subtest, the AFT, and the DSST after adjusting for sociodemographic and health characteristics. In addition, food insecurity was related to a lower score on the overall cognitive function z score. Overall, the authors concluded that food insecurity may be inversely linked to cognitive function, which can translate over time into a higher risk of cognitive impairment.

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