Current Alzheimer research
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Randomized Controlled Trial
Effects of Folic Acid and Vitamin B12, Alone and in Combination on Cognitive Function and Inflammatory Factors in the Elderly with Mild Cognitive Impairment: A Single-blind Experimental Design.
Folate and vitamin B12 are well-known as essential nutrients that play key roles in the normal functions of the brain. Inflammatory processes play at least some role in the pathology of AD. Effective nutritional intervention approaches for improving cognitive deficits that reduce the peripheral inflammatory cytokine levels have garnered special attention. ⋯ The combination of oral folic acid plus vitamin B12 in MCI elderly for six months can significantly improve cognitive performance and reduce the levels of inflammatory cytokines in human peripheral blood. The combination of folic acid and vitamin B12 was significantly superior to either folic acid or vitamin B12 alone.
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There is an increasing interest on Cognitive Impairment (CI) in patients with type 2 diabetes mellitus (T2DM), but evidence is conflicting regarding the association between CI and glycemic control. ⋯ The present study demonstrates a high prevalence of CI in patients with T2DM among the elderly population of rural China. Glycemic control, including HbA1c and exposure to severe hypoglycemia, affected cognitive function in patients with T2DM.