Summary
Researchers in Sweden conducted the world's largest twin study regarding sexual orientation. As reported in the Archives of Sexual Behavior, the study involved 3,826 same-gender twin pairs. Some were identical and some fraternal. By comparing the incidence of homosexuality among the identical twins and contrasting that with the rate among the fraternal twins, the researchers could estimate the influence of genetics on sexual orientation.
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Extract
Homo Made
For decades mental health professionals labeled homosexuality a mental disease. Then in 1973 the American Psych...
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