The problem with popular science journalism is that it doesn't bother to tell you how MUCH different? How MUCH larger is the corpus callosum? Just how much larger does it have to be to account for suddenly liking a dick in the ass?Here, let me lead you by the hand:
" "This was a study that was waiting to be done, because it leads so clearly from the current literature," she said.
Recent work by Witelson and colleagues indicated that the corpus callosum, a long fiber tract that connects the two brain hemispheres, was larger in gay men than in heterosexual men.
Brain features such as the corpus callosum and amygdalae develop very early, suggesting they are primarily genetically determined, she said. "
Regardless, being gay is not an occupational choice! (Well, not most of the time.) You're not furthering your side of the argument.