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A comment on Testosterone levels show steady decrease among young US men. Parent comment

Re:Testosterone levels show steady decrease among young US men by jeffbee on Thursday January 14, 2021 @09:23PM (#25786177)
High school late 80s would have been the peak of the blood lead problem and the age where the aggressive behaviors are most evident.
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Re:Testosterone levels show steady decrease among young US men by mythrwy on Saturday January 16, 2021 @11:06AM (#25803085)
I would suspect if one looked back in history to pre-industrial times, there were even more fights in that age group.

Without lead.

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