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CHICAGO, December 15, 2015 (LifeSiteNews) – Researchers at the University of Chicago have found a “mind-body connection” showing whether a man is family-oriented or promiscuous.

Dr. Dario Maestripieri led a study published in Psychological Science analyzing biological indicators of a man's inclination toward fatherhood. What he found, he called both “novel” and “exciting”: readiness for starting a family can be found in an aroused man's saliva.

First, Maestripieri categorized 100 young men into those ready for fatherhood and those not interested in having children, based on their responses to questionnaires about babies, families, relatives, and committed sex versus casual sex. Then Maestripieri and his staff took a saliva sample as the “control” before showing the participants a 12-minute erotic video. 

The men gave a second saliva sample after watching the sexual video, and a third ten minutes later.

The results showed that men who are interested in and who feel ready to start a family had a lower level of testosterone in response to the erotic video, and men who are interested simply in casual sex had a higher level of testosterone after viewing.

Maestripieri concluded, “Young men who like babies are less sexually aroused by novel sexual stimuli, but presumably enjoy sex more in the context of stable monogamous relationships with partners they know well.”

“When it comes to sexuality, reproduction, and parenthood, there are strong mind-body connections that are not masked by people's upbringing, socioeconomic status, education, etc.,” Maestripieri explained.

Human Life International's Stephen Phelan told LifeSiteNews, “Although I think the study's methods are questionable, it does seem to affirm something that even more secular organizations and individuals have been saying lately: porn is dehumanizing, and it has a deleterious effect on everyone involved, from its creation to its consumption.”

Phelan continued, “The Church tells us that this is, because it is based on a lie – the claim that the natural good of sexuality can be divorced from its truth as a loving and mutual gift of self between husband and wife, where children are brought into the world and have the best chance of flourishing. In this sense, the study's findings are not surprising.”