vitamin b may help slow the rate of dementia...

Vitamin B may help reduce dementia and slow the progression of Alzheimer’s disease when taken in large oses, according to a new study conducted by researchers at Oxford University

The study examined the effects of the vitamin in elderly patients with mild cognitive impairment over the course of two years. Such patients can generally function normally, but have slight memory difficulties such as recalling names or misplacing items.

Of the participants in the study, 85 received large daily doses of vitamin B12 and folic acid, and 83 only a placebo. At the end of the trial period, the researchers used cranial magnetic resonance imaging to determine the amount of brain atrophy in the two groups. 

The patients who received vitamin B showed a 53% lower rate of atrophy than those who received placebo.  Brain atrophy means loss of neurons, cells that play a vital role in the processing and communication of information.

The researchers attributed the lower rate of atrophy in the first group to decreased levels of homocysteine, an amino acid known to increase the risk of brain atrophy. 

They stressed that the doses of vitamin B taken by the study participants were very high – the patients received 300 times the recommended daily amount of B12, and 15 times the recommended amount of B6.

More studies are needed to evaluate the potential of vitamin B as a treatment option for patients with Alzheimer’s disease.

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