An estimated 25%–40% of homes in the U.S. have soil contaminated with lead, a toxic heavy metal that can harm children's development. Public health researchers know that the risk is higher in places with a legacy of industrial manufacturing, but drilling down into which parts of a community are likely to see lead soil contamination has posed a challenge to researchers.

An estimated 25%–40% of homes in the U.S. have soil contaminated with lead, a toxic heavy metal that can harm children’s development. Public health researchers know that the risk is higher in places with a legacy of industrial manufacturing, but drilling down into which parts of a community are likely to see lead soil contamination has posed a challenge to researchers.

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