HEALTH TOPICS 
In brief: Three Bs for the brain
In brief
Three Bs for the brain
Two studies published in the September 2005 American Journal of Clinical Nutrition add to the evidence that B vitamins may help us keep our wits.
Investigators in Boston followed 321 older men (average age: 67) for three years. They found that men with higher levels of vitamin B6, B12, and folate (a type of B vitamin) in their blood and in their diets did better on a test designed to measure spatial thinking.
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