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Makes perfect sense. And I have the same question that Alex posed about the possibility of recovery when relocating to a less toxic area. I doubt, tho, that that’s been studied.

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Very depressing news. Are there any studies that compare people who had only childhood exposure with people who had longer term exposure? For example, do the former recover any brain function in adulthood or become less anxious/depressed if they move to cleaner-air locations post-childhood?

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Great question Alex (and Charles). I did a little digging and it looks like there is some good news (finally). According to this Science Direct article -- https://www.sciencedaily.com/releases/2021/10/211007122123.htm -- some studies suggest that "improvements with cognitive decline [are] linked to a drop in exposure to high pollution among older adults." But that their, "findings cannot evaluate potential benefits of air pollution improvements to the risk of cognitive decline and dementia."

More research is definitely needed, but at least it's a promising start. Thank you for asking and for bringing some light to a rough-news article. I appreciate you both.

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