How should the Catholic community respond to men and women who think that a person's sex change operation would solve their problem? Catholic teaching in this area is clear. It is impossible to "change" a person's sex. Hormone treatments, cosmetic surgery and surgery to mutilate the sex organs do not change a person' sex. Confusion in this area has come about because people tend to defer to scientists, particularly in areas where their personal experience is limited. Therefore, when doctors, including those from the prestigious Johns Hopkins, have promoted "sex change" operations for physically normal men who believed they were...