title: Folic acid fortification: the good, the bad, and the puzzle of vitamin B-12.
authors.forename: A David
authors.initials: AD
authors.lastname: Smith
mesh_terms: D003072:Cognition Disorders / Q000453:epidemiology / Q000517:prevention & control; D004305:Dose-Response Relationship, Drug; D005492:Folic Acid / Q000008:administration & dosage* / Q000009:adverse effects; D005527:Food, Fortified; D006710:Homocysteine / Q000097:blood; D006801:Humans; D007107:Immune System / Q000187:drug effects / Q000502:physiology; D009369:Neoplasms / Q000453:epidemiology / Q000517:prevention & control; D018673:Nutrition Policy; D014805:Vitamin B 12 / Q000378:metabolism*; D014803:Vitamin B Complex / Q000008:administration & dosage* / Q000009:adverse effects
chemical_list: D006710:Homocysteine; D014803:Vitamin B Complex; D005492:Folic Acid; D014805:Vitamin B 12