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Air pollution directly linked to increased dementia risk

(www.nature.com)
275 points rntn | 1 comments | 07 Sep 25 13:13 UTC | HN request time: 0.563s | source
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firesteelrain ◴[07 Sep 25 14:49 UTC] No.45158651[source]▶
Dementia rates in Miami Dade are among the highest in the country while Utah is on the low end. What is striking is that Utah has worse air quality, which is a known risk factor, yet still shows lower prevalence.

Why is that?

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1. dragonwriter ◴[07 Sep 25 17:10 UTC] No.45160034[source]▶
Because where people live in retirement doesn’t always reflect where they lived while gathering exposure, and particularly Florida is a place that attracts retirees and perhaps most especially retirees with respiratory health issues (which, like dementia, are influenced by air quality they qere exposee to over their earlier life.)