Lesbian Brains Differ From Straight Women’s Brains

From the AP today, I picked up an interesting little tidbit.  Swedish research indicates that lesbians' brains react differently to sex hormones than the brains of straight women.

In fact, lesbian reactions are similar to the reaction of heterosexual men; previous research indicates that the opposite is true for gay men – their reaction are smilier to heterosexual women. 

The research gives credence to the argument that sexual orientation has a biological basis.

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