GJC
Contributor
CDC - Lead - New Blood Lead Level InformationAs Cu, Fe, Mn, Mo, Ni, and Co. I still try to avoid ingesting excessive amounts (and for some of those elements, "excessive" is a very, very small number). There's a limit below which where Pb is basically harmless. And there's a level above which where e.g. Cu becomes very toxic.
Sola dosis facit venenum
- Paracelsus