American scientists have come to a paradoxical conclusion that men growing up surrounded by sisters are less attractive to the opposite sex, – the authoritative journal Science wrote in its news review.
Curiously, experts came to this conclusion after a study conducted not on humans but on rats.
For example, experts found out male rats that grew up surrounded by predominant number of females showed significantly less interest in procreation process than rodents that initially were near the males. In addition, they were interested in female rats to a lesser extent.
The study’s authors believe the same mechanism operates in humans. They believe a man whose childhood is spent close to his sisters is less masculine, and not even being a homosexual has a much smaller sex appeal in the eyes of women.
Curiously, experts came to this conclusion after a study conducted not on humans but on rats.
For example, experts found out male rats that grew up surrounded by predominant number of females showed significantly less interest in procreation process than rodents that initially were near the males. In addition, they were interested in female rats to a lesser extent.
The study’s authors believe the same mechanism operates in humans. They believe a man whose childhood is spent close to his sisters is less masculine, and not even being a homosexual has a much smaller sex appeal in the eyes of women.
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