National Environment Doctor Who Discovered Children Had Elevated Lead Levels Talks About What's Changed 5:56pm September 17, 2017 News U.S. Around the Nation Humans Environment Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2017 NPR. To see more, visit http://www.npr.org/. 300x250 Ad More All Things Considered National The religious context of the Minnesota shootings Environment Health & Safety Radiolab celebrates 'Jaws' anniversary 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate
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