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MD, of the University of Pittsburgh. Needleman was among the first doctors to realize that U.S. children were suffering lead poisoning at exposure levels once widely -- and wrongly -- believed to be safe.
Now he warns that we just don't know enough about mercury to say it's safe to put into kids' mouths.
In an editorial accompanying the McKinlay and DeRouen reports, Needleman agrees that the studies show no obvious problems in children who get amalgam fillings. But he argues that the studies can't account for rare side effects. Because so many children get amalgam fillings, even a side effect that struck one in 100 children would affect
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