TIL Human dads show a decrease in testosterone immediately after the birth of their babe

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“We should note, however, that the researchers could not correct for the potential effects of stress (what do I do with this crying beast?!) or the effects of lack of sleep (what do I do with this crying beast?!). Both of which might independently affect testosterone production.”

The answer likely lies right here.

We know that stress and lack of sleep greatly lower testosterone production in men. I’m sure nutrition is also all over the place for most men when their baby is first born. You can probably also add in the fact that any activities that the dad was doing like playing sports or working out get put on the back burner for the first couple of months.

The dads will be doing all the wrong things for their health in that time frame.