title: Researchers study effect of niacin on Alzheimer's disease.
mesh_terms: D000368:Aged; D000544:Alzheimer Disease / Q000517:prevention & control*; D003072:Cognition Disorders / Q000517:prevention & control*; D005502:Food; D006801:Humans; D009525:Niacin / Q000008:administration & dosage*
chemical_list: D009525:Niacin