Since our guest has written today's book, recent studies strengthen the idea that gay people differ from straight people in more than the direction of their sexual feelings.  There is great diversity among lesbians and gay men, to be sure, but in general, homosexuality is part of a collection of gender-atypical traits, just as heterosexuality is part of a collection of gender-typical traits.  These different "packages" arise because the sexual differentiation of the brain goes forward differently in individuals destined to become gay adults as compared with their same-sex heterosexual peers.  Differences in genes, sex hormones, and their interactions with the developing brain are what cause this divergence.  We welcome the author of "Gay, Straight, and the Reason Why: The Science of Sexual Orientation" - Simon LeVay Find Simon Here: www.simonlevay.com

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