From James Hamblin at The Atlantic, “The Toxins that Threaten our Brains.”
“Forty-one million IQ points. That’s what Dr. David Bellinger determined Americans have collectively forfeited as a result of exposure to lead, mercury, and organophosphate pesticides.”
From Bellinger’s paper:
“Based on the estimated number of FSIQ (Full-Scale IQ) points lost, the population burdens associated with environmental chemical exposures of children are surprisingly large.”
peakmemory 
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