• Hikermick@lemmy.world
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    2 months ago

    Lead was phased out long before then. A steady decline in crime has been attributed to it’s removal. Not just in the US but in other countries also

    • Buddahriffic@lemmy.world
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      2 months ago

      They might be thinking of nuclear bomb testing that went into the 90s. I wouldn’t be surprised if that was associated with various health issues, too.