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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Replying to @sarahdoingthing
(we are talking 10th century-19th century)
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Replying to @AliceTeller
@AliceTeller available food has to be part of it - you see the effect today, modern diet drops age of menarche for all groups1 reply 0 retweets 1 like
@AliceTeller yet it's also heritable - big complicated gene-culture co-evolution tangled mess
6:12 PM - 25 Jun 2014
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