RT @natfriedman@twitter.com
What's your favorite theory of what happened in the late 60s/early 70s that caused so many trends to abruptly change course?
@stevenroose
Removal of lead from gasoline. Though there were so many things that probably played a role too...
@Demosthenes Curious.. Never heard that one. What effects would that have? And how?
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@stevenroose
It's a long explanation, here's a Wikipedia link https://en.m.wikipedia.org/wiki/Lead%E2%80%93crime_hypothesis
@Demosthenes They mention the 90's though 😅 But it's an interesting theory I never read about!