Bogaert's research is the latest in a long line of theses that argue people are "born gay". There are bound to be exceptions. In an enlightened, gay-affirming society, more people might be inclined to explore same-sex desire. But this is highly suspect. No one sits down one day and decides to be gay - or straight.
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The idea that people become gay by seduction or choice is, they say, not supported by scientific research and empirical evidence.
Born gay or made gay?
But, in fact, in only just over half the cases are both twins gay. Most lesbians and gays say they felt "different" from a very young age, long before they had any awareness of sexual desire. These exceptions lead me to conclude that while genes and hormones may, like male birth order, predispose a person to a particular sexual orientation, they do not determine it. Wilson and Rahman argue the other determinant of sexual orientation is hormonal exposure during pregnancy.