Sexual Orientation

Sexual orientation is the proclivity or capacity for romantic love. All human beings have a basic sexual orientation, which can range from homosexual (individuals fall in love with people who are their same biological sex) to bisexual (individuals can fall in love with individuals of various biological sexes) to heterosexual (individuals fall in love with people who are of what is historically considered “the opposite sex”). According to the psychological research literature, individuals' sexual orientations are well established by the age of five and are highly resistant, if not impossible, to change. Individuals who have a nonheterosexual sexual orientation are currently understood to be lesbian, gay, or bisexual; collectively, the acronym is LGB.

Variations in human sexual orientation have existed across history and cultures. Even so, ...