Or M. Bialik on Nostr: Lead does not do good things to human #health and #cognitive development. It took us ...

Lead does not do good things to human #health and #cognitive development. It took us a while to figure it out (look up the effect of the use of leaded fuel on IQ).
The #Romans were also big on #lead, and some now argue that it contributed to cognitive decline and perhaps the fall of the empire.
https://www.pnas.org/doi/10.1073/pnas.2419630121