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Study suggests lead pollution from Roman mining may have lowered Europeans' IQ by 2.5 to 3 points.
A new study in the Proceedings of the National Academy of Sciences suggests that lead pollution from mining and smelting activities during the Roman Empire may have caused a significant decline in IQ among Europeans.
Researchers analyzed ice core records and estimated that lead exposure could have reduced average IQ levels by 2.5 to 3 points.
The study highlights the long-term health impacts of industrial pollution, even dating back over 2,000 years.
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Un estudio sugiere que la contaminación por plomo de la minería romana puede haber reducido el coeficiente intelectual de los europeos en 2,5 a 3 puntos.