And `` Activist 's Guide to the Yogyakarta Principles '' stresses that `` it is important to note that while `` sexual orientation '' has been declassified as a mental illness in many countries , `` gender identity '' or `` gender identiy disorder '' often remains in consideration . ''
And `` Activist 's Guide '' to them says that `` gender identity '' or `` gender identity disorder '' exists still in categories of mental illness , contrary to the `` sexual orientation '' removed from such categories .