Baby's smell tamps down dad's testosterone levels

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An infant marmoset monkey clings to his father at the Wisconsin National Primate Research Center (WNPRC) at UW-Madison. A new study by WNPRC scientist Toni Ziegler shows that the odor of their own offspring lowers testosterone levels in marmoset fath ...
An infant marmoset monkey clings to his father at the Wisconsin National Primate Research Center (WNPRC) at UW-Madison. A new study by WNPRC scientist Toni Ziegler shows that the odor of their own offspring lowers testosterone levels in marmoset fathers. Photo: Jordana Lenon/WNPRC
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Does eau de infant make dad a better parent? It does, it seems, if you are a common marmoset, a New World monkey known for its collaborative approach to rearing offspring.


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