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Vitamin D is not associated with incident dementia or cognitive impairment: an 18-y follow-up study in community-living old men
Alzheimer disease cognitive impairment cohort dementia Mendelian randomization vascular dementia vitamin D 25-hydroxyvitamin D
2018/11/13
Background: Vitamin D has been implicated as being important for maintaining cognitive function in old age. Results from longitudinal studies examining the association of vitamin D with incident demen...
Vitamin B-12 concentration, memory performance, and hippocampal structure in patients with mild cognitive impairment
episodic memory hippocampus MCI mean diffusivity vitamin B-12
2018/11/28
Background: Low-normal concentrations of vitamin B-12 (VitB12) may be associated with worse cognition. However, previous evidence has been mixed, and the underlying mechanisms remain unclear.