Ted Haggard Says He Is Now "Completely Heterosexual"

Originally Posted by Wikipedia

Prenatal hormonal theory

Main article: Prenatal hormones and sexual orientation
The neurobiology of the masculinization of the brain is fairly well understood. Estradiol, and testosterone, which is catalyzed by the enzyme 5α-reductase into dihydrotestosterone, act upon androgen receptors in the brain to masculinize it. If there are few androgen receptors (people with Androgen insensitivity syndrome) or too much androgen (females with Congenital adrenal hyperplasia) there can be physical and psychological effects.[5] It has been suggested that both male and female homosexuality are results of variation in this process.[6] In these studies lesbianism is typically linked with a higher amount of masculinization than is found in heterosexual females, though when dealing with male homosexuality there are results supporting both higher and lower degrees of masculinization than heterosexual males.