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F.D.A. Warns of Faulty Lead Testing in Children and Mothers
The New York Times

Some blood tests used to check for lead poisoning in children and women since 2014 may have wrongly indicated that children were safe from lead exposure, federal health officials warned Wednesday. Children under 6 and pregnant and nursing women may need to be retested.

The concern is that the original tests may have underestimated blood lead levels, providing false assurance to parents. Infants and young children are especially vulnerable to the effects of lead poisoning, which can cause cognitive deficits and affect almost every system in the body.

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