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Lead exposure in last century shrank IQ scores of half of Americans, study finds
Researchers calculate that exposure to car exhaust from leaded gas during childhood stole a collective 824 million IQ points from over 170 million Americans alive today, more than half of the population of the United States.
www.sciencedaily.com
Researchers calculate that exposure to car exhaust from leaded gas during childhood stole a collective 824 million IQ points from over 170 million Americans alive today, more than half of the population of the United States.
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Now it's clear.. From this work in loss of IQ in a population it's clear that the Repugs definitely got their share.