No effect of vitamin B-12 treatment on cognitive function and depression: a randomized placebo controlled study
Journal of Affective Disorders, pp. 269-273, 2004.
Vitamin B-12DepressionCognitive impairmentMethylmalonic acidClinical trial
Background: Associations between vitamin B-12 deficiency and impaired cognitive function and depression have been reported. Methods: A randomized placebo controlled study including 140 individuals with an increased plasma methylmalonic acid (0.40–2.00 μmol/l) not previously treated with vitamin B-12. Cognitive function was assessed by the...More
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