title: Omega-3 and cancer or dementia: no preventive effect.
mesh_terms: D000368:Aged; D015331:Cohort Studies; D003704:Dementia / Q000517:prevention & control*; D015525:Fatty Acids, Omega-3 / Q000627:therapeutic use*; D006801:Humans; D009369:Neoplasms / Q000517:prevention & control*
chemical_list: D015525:Fatty Acids, Omega-3