Economautists are the only people who think just like me. (Check out how they measure the cost of increased dementia through air pollution to society) http://www.nber.org/papers/w24970 pic.twitter.com/ntcqAli6fi
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It's not necessarily correlated with visible smog pollution. Also if higher IQ people live there they tend to show less dementia so you could have an effect even with lower dementia within LA
During L.A.'s smog years, smog was much worse inland due to prevailing ocean breeze, so dementia ought to be least common among retired professors of UCLA worse at USC, even worse at Caltech, worst at Claremont. Anybody study this?
The protective effect of high IQ could be far larger than the negative effect of pollution. But yes, they plot state PM2.5 pollution & state dementia and even given all the other factors there's a raw correlationpic.twitter.com/xnj7HmM5AY
Smog (largely from auto exhaust) was radically worse in Los Angeles than in the rest of the country from WWII to late 20th Century, perhaps an order of magnitude worse. Ill health effects from smog in LA County (pop 10 million) should leap out at researchers. But they don't...
The important thing here (which I've just realised) is the type of pollution they're studying (PM2.5s) isn't actually visible and doesn't make up smog, I believe it needs to be PM10+ to make up smog. Smog doesn't necessarily correlate highly with the sort of pollution they study
So Los Angeles, through dumb luck, dodged a bullet by having most of its air pollution come from auto exhaust, which was highly annoying (cough, wheeze), but not all that bad for you in the long run? That could be ...
Los Angeles didn't have too much heavy industry. The local steel plant was built far inland in Fontana during WWII to be out of range of the guns of Japanese battleships. Air pollution was horrific in Fontana. I knew a guy on Fontana HS cross-country team; they trained at night.
Yikes that is grim. Hear similar things from friends in China who only exercise in indoor, air filtered gyms
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