Background: Ascorbate and glutathione play central roles in the defense against free radicals and oxidants that are implicated in chronic diseases. Objective: The objective was to determine the ability of…
Vitamin B-12 deficiency is present in up to 15% of the elderly population as documented by elevated methylmalonic acid with or without elevated total homocysteine concentrations in combination with low…
Animal and human studies suggest that vitamin B6 deficiency affects both humoral and cell-mediated immune responses. Lymphocyte differentiation and maturation are altered by deficiency, delayed-type hypersensitivity responses are reduced, and…
OBJECTIVE: The associations of vitamin B12, folate, and homocysteine with depression were examined in a population-based study. METHOD: The authors screened 3,884 elderly people for depressive symptoms. Subjects with positive…