ArticleCurrent aging science2025
Shorter Telomere Length is Associated with Food Insecurity in Older People: A Cross-Sectional Study.
Article in Current aging science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundTelomere length has been investigated as a biomarker of biological aging and is associated with several diseases, lifestyle, and socioeconomic factors.
objectiveThis study aimed to verify whether food insecurity is associated with shorter telomere length in older people.
methodsThis is a cross-sectional study carried out in a municipality in the interior of Brazil, with a sample of 440 older people from the community. For telomere length analysis, a blood sample was obtained from each participant, followed by real-time qPCR, and sociodemographic and health information was collected through interviews. Food security/insecurity was measured using the reduced version of the Brazilian Food Insecurity Scale. Descriptive analysis and multiple logistic regression were performed to analyze the factors associated with shorter telomere length, adopting a significance level of 5%.
resultsWe found that food insecurity was significantly associated with shorter telomere length, regardless of age group, skin color, tabagism, physical activity, milk and dairy consumption, living arrangement, and basic activities of daily life.
conclusionThe findings show the importance of ensuring full access to adequate nutrition for the older population, who are physiologically and socially vulnerable.
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