81 () posted 2 years ago by BuckeyePatr1ot 2 years ago by BuckeyePatr1ot +82 / -1 25 comments share 25 comments share save hide report block hide replies
lead in gasoline was at extremely low levels, low enough that people didn't notice the side effects until it was too late.
You don't need high concentrations of this stuff for it to degenerate an entire nation's intelligence.
Good point, and excellent example!