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> Crime has been steadily declining all over the Western world since the '90s It's probably caused by the ban on leaded gasoline. https://en.wikipedia.org/wiki

• ekianjo 8y ago
  certainly not. It hasnt been banned everywhere in the world at the same time yet crimes rates have been declining pretty much worldwide.
  • bpchaps 8y ago
    Almost certainly so. I'm really interested in knowing why you're so positive in saying it's not. There are significant signs that the reduction of lead emissions leads to a time-delayed reduction in crime when geographically mapped: https://www.sciencedirect.com/science/article/pii/S0013935116301037 https://www.sciencedirect.com/science/article/pii/S001393511... https://ehjournal.biomedcentral.com/articles/10.1186/s12940-016-0122-3 https://ehjournal.biomedcentral.com/articles/10.1186/s12940-...
  • ajuc 8y ago
    That's the point. It has been correlated with same delay between tipping point of lead in air and tipping point of crime in each country, even though in each country the tipping points were at different time.