A photo shows a city skyline obscured by thick smog.

Eliminating pollution helps dispel the fog of aging and may reduce the risk of dementia

Over the past decade, a growing body of research has shown that air pollution harms the brains of older adults, contributing to cognitive decline and dementia. What is unclear is whether improving air quality would benefit brain health. Two studies published this year by researchers from six universities and the National Institute on Aging provide …

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