Leaded Petrol May Have Lowered the IQ of over Half the US Population  

More than half of people in the US may have a slightly lower IQ as a result of inhaling exhaust gases from vehicles run on leaded petrol when they were children. The harm is thought to be most pronounced among people born in the 1960s and 1970s, when use of this fuel was at its peak.Similar effects have probably occurred in other high-income countries, says Aaron Reuben at Duke University in North Carolina. “Patterns of lead use in gasoline throughout the last century were very similar across developed countries.”

Source: Leaded Petrol May Have Lowered the IQ of over Half the US Population | Portside

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