New Study Shows Homosexuality ‘Is An Essential Part Of Human Evolution’
A new study shows that homosexuality is natural and debunks criticism that claims it is not.
Researchers at England’s University of Portsmouth believe they have found a scientific explanation for homosexuality and their theories could even provide support for same-sex marriage as being completely natural.
The scientists link the hormone progesterone, which is naturally-occurring in both men and women, to socialization and see it as a tool that “promotes bonding.”
“The frequency of homoerotic behavior among individuals who do not identify as having an exclusively homosexual sexual orientation suggests that such behavior potentially has adaptive value,” the researchers write.
LOOK:Â Large Study Finds ‘Pretty Good Indication’ Of Genetic Link To Homosexuality
And they seem to have found an evolutionary case that supports same-sex relationships and marriage, even finding them advantageous.
“From an evolutionary perspective we tend to think of sexual behaviour as a means to an end for reproduction,” Diana Fleischman, the study’s lead author, states. “However, because sexual behaviour is intimate and pleasurable, it is also used in many species, including non-human primates, to help form and maintain social bonds. We can all see this in romantic couples who bond by engaging in sexual behaviour even when reproduction is not possible.”
That sex is scientifically found to be not solely designed for reproduction debunks religious extremists’ claims that man-woman marriage is the only “natural” marriage.
“To test whether homosexual behaviour really does go hand in hand with a need to form close bonds with others of the same sex, they decided to compare sexual behaviour with the level of a certain hormone in the blood,” City AM reports.
Progesterone is also known as a “social†hormone – it is produced mainly in the ovaries in women and in the adrenal glands in men, and encourages a person to engage with others in a positive way.
They asked a group of participants questions such as “The idea of kissing a person of the same sex is sexually arousing to me,” and: “If someone of the same sex made a pass at me I would be disgustedâ€. They compared the answers to the level of progesterone in the blood.
The results, published in the journal Archives of Sexual Behaviour, show that the people with higher levels of the hormone are indeed more inclined to have homoerotic thoughts.
Heterosexual men and women, for example, were more open to the idea of engaging in homosexual behaviour when progesterone was high. Men also produced more of the hormone and felt more homosexual if they were reminded of a societal need to be friendly with other males.
Fleischman adds that “the research suggests that having exclusively heterosexual thoughts is a disadvantage – it’s better to be a little bit attracted to the opposite sex.”Â
Image via Flickr
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