Dementia and the immune system

[nuthatch]

Interesting.
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[Sunshine]

Might be a spurious correlation. Might be a reason that people locate closer to the highways — maybe rents are cheaper there and they draw from low income people who have other characteristics that rais the rate of Dementia.
The correlations are very compelling, hope they design a study that illuminates cause and effect, not just correlation.

[Virginia]

If you think of the other things that poor air quality causes, it makes a lot of sense to me.