Having higher vitamin B12 levels may protect against brain shrinkage in elderly people, according to a study published on Monday.The researchers called their findings striking, but said more information is needed before recommending that people take vitamin B12 supplements to guard against the loss of brain volume and possibly prevent declines in thinking and memory.
In the study led by David Smith and Anna Vogiatzoglou of the University of Oxford in Britain, people in the upper third of vitamin B12 levels were six times less likely to experience brain shrinkage than those in the lowest third.
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