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ObjectivesTo examine the relationship between 25‐hydroxyvitamin D (25(OH)D) levels and cognitive performance over time in older adults in the Health, Aging and Body Composition (Health ABC) Study.
DesignProspective cohort study.
SettingCommunity‐dwelling participants in Pittsburgh, Pennsylvania, and Memphis, Tennessee.
ParticipantsWell‐functioning adults aged 70 to 79 at baseline with serum 25(OH)D...
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