Interactions between plasma concentrations of folate and markers of vitamin B12 status with cognitive performance in elderly people not exposed to folic acid fortification: the Hordaland Health Study

The Worldwide Challenge of the Dementias: A Role for B Vitamins and Homocysteine?

(2015) A. David Smith   FOOD AND NUTRITION BULLETIN

Vitamin B-12 and Folate Status in Relation to Decline in Scores on the Mini-Mental State Examination in the Framingham Heart Study

(2012) Martha Savaria Morris et al.   JOURNAL OF THE AMERICAN GERIATRICS SOCIETY

The Role of B Vitamins in Preventing and Treating Cognitive Impairment and Decline

(2012) Martha Savaria Morris   Advances in Nutrition

Biomarkers of cobalamin (vitamin B-12) status in the epidemiologic setting: a critical overview of context, applications, and performance characteristics of cobalamin, methylmalonic acid, and holotranscobalamin II

(2011) Ralph Carmel   AMERICAN JOURNAL OF CLINICAL NUTRITION

Do high blood folate concentrations exacerbate metabolic abnormalities in people with low vitamin B-12 status?

(2011) James L Mills et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Do we need to reconsider the desirable blood level of vitamin B12?

(2011) A. David Smith et al.   JOURNAL OF INTERNAL MEDICINE

Circulating unmetabolized folic acid and 5-methyltetrahydrofolate in relation to anemia, macrocytosis, and cognitive test performance in American seniors

(2010) Martha Savaria Morris et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Unmetabolized serum folic acid and its relation to folic acid intake from diet and supplements in a nationally representative sample of adults aged ≥60 y in the United States

(2010) Regan L Bailey et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Analytical Recovery of Folate and Its Degradation Products in Human Serum Stored at −25°C for up to 29 Years

(2010) Rita Hannisdal et al.   JOURNAL OF NUTRITION

Metabolic signs of vitamin B12 deficiency in humans: computational model and its implications for diagnostics

(2010) Sergey N. Fedosov   METABOLISM-CLINICAL AND EXPERIMENTAL

Does high folic acid intake affect unrecognized cobalamin deficiency, and how will we know it if we see it?

(2009) Ralph Carmel   AMERICAN JOURNAL OF CLINICAL NUTRITION

Studies of biomarker responses to intervention with vitamin B-12: a systematic review of randomized controlled trials

(2009) Leane Hoey et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Dietary sources of vitamin B-12 and their association with plasma vitamin B-12 concentrations in the general population: the Hordaland Homocysteine Study

(2009) Anna Vogiatzoglou et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Metabolic evidence of vitamin B-12 deficiency, including high homocysteine and methylmalonic acid and low holotranscobalamin, is more pronounced in older adults with elevated plasma folate

(2009) Joshua W Miller et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Folate–vitamin B-12 interaction in relation to cognitive impairment, anemia, and biochemical indicators of vitamin B-12 deficiency

(2009) Jacob Selhub et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Folic acid source, usual intake, and folate and vitamin B-12 status in US adults: National Health and Nutrition Examination Survey (NHANES) 2003–2006

(2009) Quanhe Yang et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Determinants of Plasma Methylmalonic Acid in a Large Population: Implications for Assessment of Vitamin B12 Status

(2009) A. Vogiatzoglou et al.   CLINICAL CHEMISTRY

Homocysteine, vitamin B12, folate and cognitive functions: a systematic and critical review of the literature

(2009) T. Vogel et al.   INTERNATIONAL JOURNAL OF CLINICAL PRACTICE

Analytical Recovery of Folate Degradation Products Formed in Human Serum and Plasma at Room Temperature

(2009) Rita Hannisdal et al.   JOURNAL OF NUTRITION

Vitamin B-12 and cognition in the elderly

(2008) A David Smith et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Folate and vitamin B12 status in relation to cognitive impairment and anaemia in the setting of voluntary fortification in the UK

(2008) Robert Clarke et al.   BRITISH JOURNAL OF NUTRITION