Federal tests 'dramatically' undercount BPA and other chemical exposures

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Tests used by the federal government to determine how much of the chemical bisphenol A is in people's bodies have "dramatically underestimated" our exposure, according to an analysis published today.
The most common test methods for estimating people's exposure to BPA likely do not count a considerable percentage of the chemical in our bodies, researchers say. The federal government relies on those tests to conclude that current exposure levels are too low to harm our health. 

That basic assumption, researchers say, is no longer valid—a dramatic conclusion with implications for hundreds of other chemicals that are tested the same way and deemed safe. 



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