Reuters quotes Charles Hall, Ph.D., regarding a recent study about the connection between cognitive activities and Alzheimer's disease. The study suggests that mental exercises help stave off dementia but then increase mental decline after dementia onset. Dr. Hall noted that the observational study shows an association between mental activities and dementia onset and progression, but intervention studies are necessary to prove cause-and-effect. Dr. Hall's research on dementia was also cited. Dr. Hall is professor in the Saul R. Korey Department of Neurology and of epidemiology & population health.
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