title: Reply to Garrard and Jacoby and Smith et al.
authors: From the Clinical Trial Service and Epidemiological Studies Units, University of Oxford, Oxford, UK (e-mail: robert.clarke@ctsu.ox.ac.uk).
authors: Robert
authors: R
authors: Clarke
authors: From the Clinical Trial Service and Epidemiological Studies Units, University of Oxford, Oxford, UK (e-mail: robert.clarke@ctsu.ox.ac.uk).
authors: Derrick
authors: D
authors: Bennett
authors: Sarah
authors: S
authors: Parish
mesh_terms: D000375:Aging; D060825:Cognitive Dysfunction / Q000517:prevention & control*; D019587:Dietary Supplements; D019317:Evidence-Based Medicine; D006710:Homocysteine / Q000037:antagonists & inhibitors*; D006801:Humans; D020138:Hyperhomocysteinemia / Q000178:diet therapy*; D014803:Vitamin B Complex / Q000627:therapeutic use*
chemical_list: D006710:Homocysteine; D014803:Vitamin B Complex