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A comment on Leaded fuel reduced IQ of children born before 1990. Parent comment

Re:Leaded fuel reduced IQ of children born before 1990 by chaxor on Wednesday October 20, 2021 @06:36PM (#28937714)
It's a small problem? I read recently that GA accounted for >50% of environmental lead exposure.

Perhaps that's wrong, but I distinctly remember the statistic and it stuck with me.

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Re:Leaded fuel reduced IQ of children born before 1990 by mlyle on Wednesday October 20, 2021 @07:00PM (#28937958)
Source please. All the studies I've read have barely detected higher levels of lead near airports, and are confounded. All the estimates from first principles estimate that it's a very small proportion of population lead exposure, too.
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