Homosexuality is the sexual attraction to someone of your own sex, contrasting with Heterosexuality. Homosexuality is a trait that one in ten humans is born with.
- Bisexuality: Sexual Attraction to both genders. This covers a spectrum of sexual preferences ranging from near complete heterosexuality through equal attraction to both genders to near complete homosexuality.
- Transexualism: A state in which a person identifies him/herself with a gender he/she was not born in. Transexuals generally have brains that are effectively that of the other gender. Transexualism is distinct from homosexuality in and of itself.