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
So age at menarche plummets between ancestral African populations and contemporary African Americans, with changing diet and resources.
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But comparable white populations seem to have changed much less on that metric. ok sorry I think that's all
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@sarahdoingthing this whole thread, my brain, just…
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