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Long-term exposure to outdoor air pollution linked to increased risk of dementia


An analysis of studies incorporating data from almost 30 million people has highlighted the role that air pollution – including that coming from car exhaust

An analysis of studies incorporating data from almost 30 million people has highlighted the role that air pollution – including that coming from car exhaust emissions – plays in increased risk of dementia. The researchers point out that the majority of people included in the published studies were white and living in high-income countries, even though marginalised groups tend to have a higher exposure to air pollution. Joint first author Dr Christiaan Bredell from the University of Cambridge and North West Anglia NHS Foundation Trust said: “These findings underscore the need for an interdisciplinary approach to dementia prevention.

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