Bad news: Leaded fuel reduced the IQ of everyone born before 1990 by ~4.25%. Millennials are the first to be born with unleaded gas.
Worse news: a new paper shows environmental lead levels from leaded gasoline are still around in cities today, and cause continued neurotoxicity. pic.twitter.com/TAWAIU2nTH
— Ethan Mollick (@emollick) October 19, 2021