The diagnosis Homosexuality, once listed as a paraphilia, is exemplary of the arguably inappropriate influence of social attitudes towards certain behaviors on official definitions of mental illness. Presently, the opposition to the Sexual and Gender Identity (SGI) diagnoses does not comprise a single argument but is rather, extensive and multivocal. Some critics believe that SGI diagnoses are useful categories that merely lack empirical support, a problem that might be remedied by future research. In the early 1970s, the APA decided that homosexual behaviors do not involve mental illness in the absence of mental distress, and the diagnostic category was removed from the manual. Since their inception, psychiatric diagnoses for alternative genders
