title: Investigating factors of decline in cognitive function or dementia.
authors.forename: Gholam A
authors.initials: GA
authors.lastname: Mozaffarian
mesh_terms: D000368:Aged; D000544:Alzheimer Disease / Q000097:blood / Q000175:diagnosis*; D003072:Cognition Disorders / Q000097:blood / Q000175:diagnosis*; D006801:Humans; D012307:Risk Factors; D016896:Treatment Outcome; D014807:Vitamin D / Q000031:analogs & derivatives* / Q000097:blood; D014808:Vitamin D Deficiency / Q000097:blood / Q000175:diagnosis*
chemical_list: D014807:Vitamin D; C104450:25-hydroxyvitamin D