Vitamin D levels and cognition in elderly adults in China.


OBJECTIVES To evaluate the association between vitamin D level and cognitive impairment in individuals aged 60 and older. DESIGN Cross-sectional cohort study. SETTING Chinese Longitudinal Healthy Longevity Survey, a community-based cohort study in areas in China where the density of centenarians is exceptionally high. PARTICIPANTS Individuals with… (More)
DOI: 10.1111/jgs.13082


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