Articles like this one really benefit from some references and footnotes. I had trouble finding sources for the skeletal remains being found with lead accumulation, for example.

It is interesting how the author describes lead poisoning as likely being more common amongst the elite. Comparing this to the current state of the world, it seems to affect areas of the world where infrastructure may be weaker[1].

[1]: https://ourworldindata.org/grapher/death-rate-lead-exposure