Homosexuality: Disease or Way of Life? is a 1956 book by the psychoanalyst Edmund Bergler, in which the author argues that homosexuality is a curable illness. Bergler denies that homosexuality is caused by hormonal or other biological factors, the Oedipus complex, or having a dominant mother and a weak or absent father, instead attributing both male and female homosexuality to pre-Oedipal factors involving an unsolved masochistic conflict with the mother during the earliest period of infancy. According to Bergler, homosexuality in men reflects unconscious fear and hatred of women. Bergler argues that there are several different types of homosexuality, each with a distinct clinical profile. Bergler rejects the existence of bisexuality, maintaining that all supposed bisexuals are homosexuals