Key vitamin deficiency linked to tripled risk of dementia: study

0 Comments | AFP, February, 2008

PARIS (AFP) — Lack of folate, also called vitamin B-9, may triple the risk of developing dementia in old age, according to a study published Tuesday.

Researchers in South Korea measured naturally occurring folate levels in 518 elderly persons, none of whom showed any signs of dementia, and then tracked their development over 2.4 years.

At the end of the period, 45 of the patients had developed dementia, including 34 diagnosed with Alzheimer's disease, said the study, published by the British Medical Association's Journal of Neurology, Neurosurgery and Psychiatry.

When the researchers, led by Jin-Sang Yoon of Chonnam National University in Kwangju, South Korea, remeasured folate levels, they uncovered a strong link with the dementia.

Even after other...