Same-sex breastfed twins are taller and heavier than opposite-sex twins. But beware, a (with) Satoshi Kanazawa paper http://www.sciencedirect.com/science/article/pii/S0022096516302685?np=y …pic.twitter.com/C5VYYuOEdL
8:35 AM - 9 Jan 2017
from Bonn, Germany
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