B12 shortage linked to cognitive problems | Science News

Be a Champion for Science

Get your subscription to

Science News when you join.


News

B12 shortage linked to cognitive problems

Studies in elderly show that even 'normal' levels of vitamin may not be enough

By
11:14am, September 27, 2011

Not getting enough vitamin B12 may take a serious toll on the brain. Two new studies of the elderly link impairments of memory and reasoning with an indirect measure of vitamin B12 deficiency. Worse, brain scans reveal that those with signs of insufficient B12 are more likely to have shrinkage of brain tissue, vascular damage and patches of dead brain cells than are people with higher levels of the vitamin.

A third, ongoing study is recording neural changes — a slowing in the electrical signals conveying visual information — among people with B12 deficiency.

This article is available only to subscribing members. Join the Society today or Log in.

Get Science News headlines by e-mail.

More from Science News