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Fatherhood Kills Sex Drive
Studies in the past have shown fathers tend to have lower testosterone than men who have no children but it was not clear whether fatherhood was the cause or that men with lower testosterone were more likely to become fathers. But it does seem this status could be a good thing for parenthood and having a lower testosterone level can potentially correlate to positive characteristics as a daddy.
A new study confirms fatherhood lowers testosterone levels and actually makes it easier for men to be involved in raising children, mostly because it’s compatible with raising a child . High levels of the hormone can rev up a man’s sex drive, increase risk-taking behaviors and raise the need for social dominance. Those factors can help win a mate but are poor traits when it comes to raising a baby, which requires cooperation from both parents.
“Our study shows that human fathers are biologically wired to help with the job,” said Christopher Kuzawa of Northwestern University, who worked on the study. Note the study followed more than 600 men from the Philippines over five years and is published in the Proceedings of the National Academy of Sciences.
The research team saw clearly that right after the men became fathers, their testosterone levels dropped, at least for a short time. “The men who started with high testosterone were more likely to become fathers, but once they did, their testosterone went down substantially.” Gettler said the findings suggest fathers may experience an especially large but temporary drop in testosterone when they first bring home a newborn baby.