Lead from gasoline blunted the IQ of about half the U.S. population, study says - Yahoo! Voices

Leaded gas was banned in 1996, but exposure to the toxin may have cost people born before then several IQ points, researchers found.

Exposure to leaded gasoline lowered the IQ of about half the population of the United States, a new study estimates. The peer-reviewed study, published Monday in the journal Proceedings of the Natio… [+3712 chars]

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