More Proof that Sexual Orientation Is Innate

DNAScientists in Sweden have found further evidence that sexual orientation is innate. They discovered that certain odors produce different responses in the brains of straight and lesbian women. The pattern of brain activity for lesbians was similar, but not identical, to that of straight men. A year ago, the same team showed a similarity in response between the brains of straight women and gay men. (See also “A Genetic Basis for Sexual Orientation.”)

This is important support for those of us who believe we were born this way, and ammunition against those who claim sexual orientation is a learned behavior that can be modified. (Admittedly, there are some who feel it’s a choice for themselves, personally, even if they might concede it’s innate for others.)

Some scientists have questioned the Swedish team’s methods. This isn’t necessarily a bad thing at this stage. Much as I want to believe the results, I also think it is important they go through the full, scientific process of evaluation and peer review. Partially-proven results are no good to us. The team says it plans to do further research to address open issues.

3 thoughts on “More Proof that Sexual Orientation Is Innate”

  1. Christie at The Big Gay Picture” has a great post discussing the various headlines used to relate this news.

    She also makes the important point that it shouldn’t matter whether sexual orientation is innate or not—lesbians and gay men still deserve equal rights.

    I agree completely. I also believe, however, that we need to counter the ultra-conservative argument that being gay is always a choice, and therefore correctable.

    For me, the importance of the biological argument is not that those who were born gay have a better claim to gay rights than those for whom it was a choice. We don’t. Nevertheless, if we can show that being gay is innate, even for some of us, we undercut the conservative argument that being gay is “contrary to the laws of nature,” an argument that hurts all of us. If we show that being gay is in harmony with the laws of nature, then it doesn’t matter if we sing that harmony from birth or chose to sing it later on. It’s still worthy of the same rights and protections.

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