Older people with early-stage Alzheimer’s disease who took more than 5,000 steps a day saw slower cognitive decline than less active peers, according to a pioneering 14-year study on how exercise may help lower dementia risk.
The more mobile adults also showed a smaller build-up of proteins in the brain that are a signature of Alzheimer’s, suggesting their walking habits might help curb the condition’s advance.
The research is a sophisticated effort to blend different types of data to better understand how to combat a disease that is expected to afflict millions more people each year due to rising life expectancies.
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