Washington: Vitamin B12 may reduce the risk of Alzheimer`s disease, shows a new study.The research adds more evidence to the scientific debate about whether the vitamin is effective in reducing the risk of memory loss.
Too much homocysteine in the blood has been linked to negative effects on the brain, such as stroke. However, higher levels of vitamin B12 can lower homocysteine.The study found that for each micromolar increase in the concentration of homocysteine, the risk of Alzheimer`s disease increased by 16 percent, whereas each picomolar increase in concentration of the active form of vitamin B12 reduced risk by two percent.The results stayed the same after taking into account other factors, such as age, gender, education, smoking status, blood pressure and body mass index. The addition of folate did not appear to raise or lower the risk of Alzheimer`s disease."More research is needed to confirm these findings before vitamin B12 should be used solely as a supplement to help protect memory," said Hooshmand.The research has been published in the October 19, 2010, issue of Neurology, the medical journal of the American Academy of Neurology. ANI
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