Take B and See

The old time healers and doctors always promoted adequate intake of B vitamins. Diabetes seemed to have raised its ugly head when industrialized grain milling became prominent, refined flour became the standard, and B vitamins from those whole grains fell by the waste side.

B-vitamin Deficiency May Cause Vascular Cognitive Impairment

ScienceDaily (2008-09-02) -- A B-vitamin-deficient diet caused cognitive impairment and cerebral vascular changes without evidence of neurodegeneration in mice. These findings provide new insight into the mechanisms that may underlie human age-related cognitive decline. ... > read full article