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Hair Study Shows Lead Exposure Collapsed
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Science about 4 hours ago

Hair Study Shows Lead Exposure Collapsed

Human hair samples reveal a dramatic public health triumph, with lead concentrations plummeting from 100 ppm to less than 1 ppm over the past century. This remarkable decline is primarily attributed to the ban on leaded gasoline and other environmental regulations, showcasing the profound effectiveness of policy in safeguarding communities from toxic exposure.

Human hair samples reveal a dramatic public health triumph, with lead concentrations plummeting from 100 ppm to less than 1 ppm over the past century.

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