This study suggests that sexual orientation has a biological substrate. While this study has not precisely isolated a gay gene, it suggests that sexual orientation does have a genetic component. The assumption that homosexuality is a choice is insulting to the millions of gay and lesbian men and women who know their sexual orientation is not based on some decision they made, but is based on something as innate as the color of their eyes. The American Psychological Association does not consider homosexuality to be an emotional or mental disorder. However, the social stigma associated with being gay can be emotionally devastating.
Homosexuals represent every socioeconomic, ethnic, and religious background possible.
Many people suffer from all types of abuse and neglect as children, yet grow up to be heterosexual.