This link below links to a New York Times article from December 16th, 1973 that speaks about the at the time. Recent change in the American psychiatric world, that homosexuality is to be no longer viewed or considered a mental illness. The article also goes on to explain the type of mental effects that the LGBT community would have experienced due to their sexual/gender preference being viewed as a mental illness. And how this has been used in the past to discriminate against homosexuals
