my brain is breaking...I think early age at menarche is an elite trait in europe & that euro elites are r-selected compared to peasants o.0
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@sarahdoingthing though the current culture that delays marriage and extends adolescence may exacerbate this phenomenon. -
@FR_Newbrough the thing that started me on this was finding out 1600s french women had their first kid on average at 26
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@sarahdoingthing yes and it shouldn't surprise us that human beings have mechanisms that adapt to cultural pressure.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@sarahdoingthing so many dead civilizations believed they could escape the quaint cultural constraints of their foundations.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@sarahdoingthing young women in less stable families trend towards early sexual maturation.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@sarahdoingthing there are undoubtedly complex feedback mechanisms in our genes our minds our bodies.Thanks. Twitter will use this to make your timeline better. UndoUndo
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