Our Brains Need Exercise, Too
But what about that brain itself? Although life expectancy has more than doubled since 1900, our “mindspan” — how long we stay cognitively healthy — hasn’t kept pace.
Forgetfulness, slower processing and feeling less sharp plague most of us as we age. One in five people develops mild cognitive impairment, a decline in thinking skills beyond normal aging, which may or may not advance to dementia. After 65, your odds of developing Alzheimer’s disease are one in 10.
It doesn’t have to be that way, mounting research suggests.



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