ArticleGeroScience2026
Dietary preference, biological aging, and incident dementia: a prospective cohort study.
Article in GeroScience, 2026. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
8 authors.
Funding
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Abstract
Dietary patterns are modifiable determinants of dementia risk, but the interactions between individual dietary preference profiles, biological aging, and dementia risk remain unclear. We aimed to investigate associations of dietary preference profiles with biological aging and incident dementia, as well as the potential modifying effect of genetic susceptibility. Dietary preference profiles were identified using latent profile analysis on food preferences questionnaire data. Cox models estimated the association between dietary preferences and dementia risk and their interaction with genetic risk. Associations with biological aging acceleration (Klemera-Doubal method biological age [KDM-BA] acceleration, phenotypic age (PhenoAge) acceleration, leucocyte telomere length [LTL]) were assessed with linear regression. Mediation analysis explored potential mediators. Three dietary preference profiles were identified: health-aligned, broad-preference, and sweet-tooth. The sweet-tooth group showed a 79% higher risk of all-cause dementia, 62% higher risk of Alzheimer's disease, and 202% higher risk of vascular dementia compared to the health-aligned group. The sweet-tooth profile was associated with accelerated KDM-BA, PhenoAge, and shorter LTL. A significant additive interaction between sweet-tooth profile and high genetic risk amplified dementia risk. Exploratory mediation analyses suggested that biological aging markers statistically accounted for 2.28-4.82% of the observed association. Sweet-tooth dietary preference was associated with higher dementia risk and accelerated biological aging, particularly among individuals with high genetic susceptibility. These findings support targeted dietary interventions for dementia prevention, especially in genetically at-risk populations.
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Registered trials
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