Aerobic exercise may help prevent Alzheimer’s. After scientists at the University of Southern California in Los Angeles reported last year that one in three cases of Alzheimer’s may be preventable with lifestyle changes, an exercise physiologist at Hartford Hospital, Gregory Panza, and his team attempted a comprehensive study on exercise’s cognitive effects. They reviewed 19 existing studies and analyzed over 1,100 at-risk seniors. Their study confirmed that seniors who did any exercise at all showed better cognitive performance than those who did not, but were actually able to draw more specific conclusions as well. It suggested that adults who did only aerobic exercise demonstrated three times better cognitive function than those who combined aerobic with muscle-strengthening exercise. Additional research is needed but this study is enough to suggest that adults who know they are at-risk for Alzheimer’s should carefully incorporate a lot of aerobic exercise into their routines.

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