Silver fueled the rise of the Roman Empire. But the ancient process of mining and extracting silver was also making the air thick with lead, scientists found.
Under existing Illinois law, blood tests which come back with lead levels exceeding 5 µg/dL (micrograms per deciliter) require a public health intervention. Under the new rule approved by the General ...
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US FDA issues guidelines to reduce lead levels in baby foodsThe FDA’s action, serving only as non-enforceable guidance, has been criticised by the NGO Center for Science in the Public ...
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