By JERUSALEM POST STAFF JANUARY 8, 2025 11:50
"A 2 to 3 points lower IQ doesn't sound like much, but when you apply that to the entire European population, it's quite a lot."
Widespread lead pollution from the Roman Empire's metals industry caused a cognitive decline across Europe, with researchers estimating a 2- to 3-point drop in IQ due to lead exposure, a recent study published in the Proceedings of the National Academy of Sciences (PNAS) suggests.