A century of hair samples proves leaded gas ban worked
“We should not forget the lessons of history. And the lesson is those regulations have been very important.”
https://arstechnica.com/science/2026/02/a-century-of-hair-samples-proves-leaded-gas-ban-worked/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social
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