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Exercise – Not Mental Stimulation – Staves Off Brain Shrinkage In Elderly

October 22, 2012: 12:00 AM EST
Scottish researchers who studied nearly 700 people in their seventies and older found that those who exercised regularly showed less brain shrinkage over three years than those who were more sedentary. The researchers used MRI scams top measure the volume of brain tissue and the volume and health of the brain’s white matter in study participants. They also did not find any benefit to brain health for older people who participated in social or mentally stimulating activities. "Our results suggest that to maintain brain health, physical activity may be more beneficial than choosing more sedentary activities,” the researchers said.
A. J. Gow et al., "Neuroprotective lifestyles and the aging brain: Activity, atrophy, and white matter integrity", Neurology, October 22, 2012, © AAN Enterprises, Inc.
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