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Maroc Maroc - WN.COM - Environment - 02/Feb 20:40

Hair samples reveal the benefits of lead regulation

The evidence is clear—and in your hair. Americans were exposed to as much as 100 times more lead in their daily lives than they are today before the Environmental Protection Agency was established in 1970. In an effort to examine the dramatic reduction in toxic heavy metal exposure, researchers turned to human hair samples dating back a century. Their findings, published today in the Proceedings of the National Academy of Sciences, provide a startling and dramatic example of the lifesaving benefits of robust, comprehensive, and reliably enforced industrial regulations. Human history is full of lead poisoning. Paleobiological records indicate that the naturally occurring neurotoxin has...

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