Background & Aims: Vitamin B6 has a crucial role in 1-carbon metabolism, which involves DNA synthesis and DNA methylation. Aberrations in these processes have been implicated in colorectal carcinogenesis. We…
Background & Aims: It has been hypothesized that dietary factors involved in methyl group metabolism, such as methionine, folate, and vitamin B6, may modify cancer risk. We have previously reported…
Hemodialysis patients are prone to deficiency of vitamin C, which constitutes the most abundant nonenzymatic antioxidant in blood. Because antioxidants are involved in the pathogenesis of atherosclerosis, the authors examined…
Objectives. We sought to determine prevalence rates of vitamin C deficiency and depletion in the United States. Methods. We used data from the Third National Health and Nutrition Examination Survey…