Tue, Dec 18, 2007 - Page 16 News List

Brainpower: use it or lose it

Autopsies of cognitively normal septuagenarians reveal the same brain irregularities as Alzheimer's patients. According to new research, 'cognitive reserve' explains the phenomenon

By Jane E. Brody  /  NY TIMES NEWS SERVICE , NEW YORK

Exercise may help by improving blood flow (and hence oxygen and nutrients) to the brain, reducing the risk of ministrokes and clogged blood vessels, and stimulating growth factors that promote the formation of new neurons and neuronal connections.

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