One in 38 U.S. children has lead poisoning: CDC
More than half a million U.S. children are now believed to have lead poisoning, roughly twice the previous high estimate, health officials reported Thursday.
The increase is the result of the government last year lowering the threshold for lead poisoning, so now more children are considered at risk.
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Too much lead can harm developing brains and can mean a lower IQ. Lead poisoning used to be a much larger concern in the United States, but has declined significantly as lead was removed from paint and gasoline and other sources.
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