red in 1991 when Simon LeVay found neuroanatomic differences between homosexual and heterosexual men (neurolinguistic). There is a part of the anterior hypothalamus (called INAH3) that is three times larger in men than in women. LeVay studied hypothalamic tissue from nineteen gay men (all died from AIDS), sixteen heterosexual men (six died from AIDS), and six women of unknown sexual orientation. He found that INAH3 was two to three times larger in the heterosexual men than in t
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