Americans born before 1996 may have a lower IQ from exposure to leaded gasoline, study finds. Here’s why. - USA TODAY

Researchers found more than half of the U.S. population had 'clinically concerning' levels of lead in their blood when they were children.

Health experts say the effects of leaded gasoline in cars, although banned since 1996, still linger today after a new study found Americans exposed to the highly toxic metal may have a lower IQ.  Re… [+4341 chars]

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