"In the USA, millions of children were exposed to excessive concentrations of lead as the result of the widespread use of leaded gasoline from the 1920s until about 1980." 1/3
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@ATabarrok https://marginalrevolution.com/marginalrevolution/2019/12/the-lancet-commission-on-pollution-and-health-and-iq.html … What pollution threats today will future generations wish we had fought more aggressively? Particulate air pollution, microplastics, hormones in the food and water, and climate change all come to mind, in addition to lead poisoning. 3/3Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Shouldn’t we be starting to see more highly intelligent kids/teens now that it’s no longer in use? Or is it now a permanent pollutant?
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We are a society complacent to lead & too trusting that "experts" are protecting us from exposure to it. Several states are doing an abysmal job of testing at-risk children for lead poisoning.http://www.vox.com/science-and-health/2017/4/27/15424050/us-underreports-lead-poisoning-cases-map-community …
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Even given mean IQ effect of "subclinical lead poisoning" (which requires a fair bit of extrapolation), it's hard to know if it shifts the whole distribution down. Equally plausible that some subjects experience a larger effect and most zero. Big difference in effect on tails.
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It's especially implausible to just assume that the effect in "IQ points" on an arbitrarily calibrated scale is exactly linear across the entire range.
- Još 2 druga odgovora
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Fascinating, but why did they all wait until 2016 to start voting?
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Took about 30 years look get them in line to vote for that red cap guy.
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@threadreaderapp unroll pls! -
Halo!, there is your unroll: Thread by
@erikbryn: "In the USA, millions of children were exposed to excessive concentrations of lead as the result… https://threadreaderapp.com/thread/1211678664951095298.html …. Enjoy :)
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Which led to... cc
@kdrumHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Čini se da učitavanje traje već neko vrijeme.
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