• CanadaPlus@lemmy.sdf.org
    link
    fedilink
    arrow-up
    1
    ·
    2 months ago

    Per capita, IIRC it peaks in the 70’s. I’ve heard it proposed that it was down to leaded gasoline causing brain damage, and it’s such a weird blip I have to consider that. Obviously, from WWII backwards through depression and prohibition it was plenty nasty.