Vitamin B12 and dementia.Neurological value of B-12

NEUROLOGICAL VALUE OF B-12
Deficiency of Vitamin B-12 can cause nerve problems, Depression, and Dementia. Vitamin B-12 Replacement should be given to patients with border line levels of the vitamin, since the advantages of doing so outweigh any disadvantages of therapy.

Vitamin B-12 deficiency: Fine E.J. Soria ED. Southern Medical Journal, 1991 Dec, 84(12) :1475-81.