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Multiple testing options and false positives can leave parents confused about blood lead level readings. We found out how the tests work and what the results really mean for a child's health.
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In the '70s, Dr. Herbert Needleman made a discovery that changed how people think about lead. His work led to a ban on lead in gasoline. But as seen in Flint, Mich., lead poisoning is still a concern.
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In Tacoma, tests are continuing on homes found to have problems with lead in drinking-water lines. Last week, the city revealed it found high lead levels…