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Interesting new info that supports a long-held observation.
Having older brothers tied to being gay, if you're a guy - CNN
Having older brothers tied to being gay, if you're a guy - CNN
Many factors may determine someone's sexual orientation, but in this case, researchers noticed a pattern that may be linked to something that happens in the womb. The phenomenon is related to a protein linked to the Y chromosome (which women do not have) that is important to male brain development.