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[–]ID10T 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

Did you know that when leaded gasoline became common, crime rates skyrocketed, and when it was banned, crime rates came back down? Lead in the environment correlates heavily with crime rates. This video is a pretty cool history of leaded gasoline.

https://youtu.be/IV3dnLzthDA