Status of vitamins B-12 and B-6 but not of folate, homocysteine, and the methylenetetrahydrofolate reductase C677T polymorphism are associated with impaired cognition and depression in adults.
Moorthy D, Peter I, Scott TM, Parnell LD, Lai CQ, Crott JW, Ordov?s JM, Selhub J, Griffith J, Rosenberg IH, Tucker KL, Troen AM. Status of vitamins B-12 and B-6 but not of folate, homocysteine, and the methylenetetrahydrofolate reductase C677T polymorphism are associated with impaired cognition and depression in adults. J Nutr. 2012 Aug; 142(8):1554-60.