Scientist at the Karolinska Institute have spent time studying the scans of 90 straight and gay men and women. What they found was that the size of the two symmetrical halves of the brains of gay men resembled the brain of straight women.
In heterosexual women and gay men, the two halves of the brain are pretty much the same size. But in straight men, the right hemisphere is slightly larger.
And oddly enough, the brains of homosexual women were asymmetrical, just like those of straight men.
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