By Alan Titchenal, Ph.D., C.N.S. and Joannie Dobbs, Ph.D., C.N.S.
Vitamin B-12 deficiency and the early stages of Alzheimer's disease have much in common. People with either condition can experience impaired memory, decreased intellectual capacity and emotional instability. Consequently, researchers suggest that B-12 deficiency could be misdiagnosed as Alzheimer's disease.
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