| http://www.w3.org/ns/prov#value | - Lower levels can reduce intelligence, impair hearing and behavior and cause other ills.Most cases of lead poisoning are handled by tracking and removing the lead source, and monitoring the children to make sure lead levels stay down.A special treatment to remove lead and other heavy metals is used only for extremely high levels.Often, children who get lead poisoning live in old homes that are dila
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