Bisexuality

| Sexual orientation |
|---|
Bisexuality is defined as having romantic attraction, sexual attraction, or sexual behavior towards more than one gender or attraction that is not limited by sex or gender.[1][2][3]
The term bisexuality originated in early sexology as a descriptor for those with both homosexual and heterosexual attraction and was coined in the 19th century in German by Richard von Krafft-Ebing in his Psychopathia Sexualis, then introduced to English by Charles Gilbert Chaddock in his 1892 translation.[4][5][6][7]
Bisexual (or bi) was reclaimed as a sexual orientation label in the 1960s and has been defined in a variety of ways by the bisexual community, including as attraction regardless of gender[8][9][10] or sex,[6] attraction existing beyond the gender and sexual orientation binary,[11][12] attraction to men and women,[13] attraction to more than one gender or sex, attraction to people of similar/same and different/other genders, and attraction with gender being an irrelevant factor.[14]
Scientists do not know the exact determinants of sexual orientation, but they theorize that it is caused by a complex interplay of genetic, hormonal, and environmental influences,[15][16][17] and do not view it as a choice.[15][16][18] Although no single theory on the cause of sexual orientation has yet gained widespread support, scientists favor biologically based theories.[15] There is considerably more evidence supporting nonsocial, biological causes of sexual orientation than social ones, especially for males.[19][20][21]
Bisexuality has been observed in various human societies,[22] as well as elsewhere in the animal kingdom,[23][24][25] throughout recorded history.
Definitions
Sexual orientation, identity, and behavior
According to the American Institute of Bisexuality, "Bisexuality is an umbrella term that covers a wide range of identities, terms, attractions, and behaviors that all fit the scientific definition of bisexuality... it is a general and inclusive term that encompasses everyone; all sexes and all genders. That does not mean that bi people are attracted to everyone, merely that bi people's attractions aren't limited by sex or gender."[6]
The bisexual activist Robyn Ochs defines bisexuality as "the potential to be attracted—romantically and/or sexually—to people of more than one sex and/or gender, not necessarily at the same time, not necessarily in the same way, and not necessarily to the same degree."[26]
The American Psychological Association states that "sexual orientation falls along a continuum. In other words, someone does not have to be exclusively homosexual or heterosexual, but can feel varying degrees of both. Sexual orientation develops across a person's lifetime–different people realize at different points in their lives that they are heterosexual, bisexual or homosexual."[27][28] Attraction can take numerous forms for bisexuals, such as sexual, romantic, emotional, or physical.[29]
| Part of a series on |
| LGBTQ people |
|---|
