title: Can vitamin supplements prevent cognitive decline and dementia in old age?
authors.forename: Mary N
authors.initials: MN
authors.lastname: Haan
mesh_terms: D000368:Aged; D000375:Aging; D003072:Cognition Disorders / Q000517:prevention & control*; D003704:Dementia / Q000517:prevention & control*; D019587:Dietary Supplements; D006801:Humans; D014815:Vitamins / Q000008:administration & dosage*
chemical_list: D014815:Vitamins