2 years ago
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Half of American IQs lessened by lead in gasoline, study says
The IQ of more than half the United States population has been negatively affected by the presence of lead in gasoline, a new study estimates. The peer-reviewed study published by the Proceedings of the National Academy of Sciences (PNAS) journal discovered childhood exposure to leaded gasoline cost the U.S. a deficit of at least 824 million IQ points, or approximately 2.6 points per American.
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And what about the other half?