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by onion2k 3454 days ago
It's equally easy to imagine that people who have a brain chemistry that makes them value things like quicker access to transport or a faster pace of life that makes them want to live in the centre of a city are also more susceptible to dementia though. This research has highlighted an interesting correlation that's worth studying, it's not necessarily showing that pollution is the cause.
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https://www.eurekalert.org/pub_releases/2017-01/pho-lnm01031...

According to the press-release, a difference in distance of only 50m from a high-traffic road creates an observable 7% difference in dementia risk.

I'd say it's very easy to both live in a city centre and live 50m away from a major road.