Many men and women feel strongly they are physically a different sex than they are mentally and emotionally. They feel they are a man or woman trapped in a body of the opposite gender. This dissonance, called gender dysphoria, is often so profound and uncomfortable that many individuals experiencing it desire to be surgically and/or hormonally altered so they may physically resemble the sex they feel they are, which is the opposite of their physical appearance.
Read more: Sex change surgery, Information about Sex change surgery. See discussion.