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Originally Posted by Trancelation
http://www.msnbc.msn.com/id/7791888/
"Brain responses differ in gay, straight men
Biological basis to sexual orientation?
In the Swedish study, when sniffing a chemical from testosterone, the male hormone, portions of the brains involved in sexual activity were activated in gay men and straight women, but not in straight men, the researchers found.
When they sniffed smells like cedar or lavender, all of the subjects brains reacted only in the olfactory regions that handles smells.
The result clearly shows a biological involvement in sexual orientation, said Sandra Witelson, an expert on brain anatomy and sexual orientation at the Michael G. DeGroote School of Medicine at McMaster University in Ontario, Canada.
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I don't doubt the survey, but I wonder if it might be more of "conditioned" response than true proof that being gay is biological. For example, if my wife wore a certain perfume everytime we did it, I might begin to associate that smell with sexual activity. In this case, male hormone showed activity in straight women and gay men. I would expect that both groups would associate that smell with sexual activity since both would experience it every time they had sex.
I don't think everyone "chooses" to be gay, and to be honest, I really don't care. I'm glad none of these studies were performed in America. That would just mean more of my tax dollars being pissed away on something worthless. I think we do enough of that already.