HIV and men who have sex with men sexual activity with members of the same sex, regardless of how they personally identify themselves. Many MSM choose not to (or cannot for other reasons) identify as homosexual or bisexual. Similarly, the label excludes men who identify as gay or bisexual, but who have never had sex with another man, including many gay teenagers. The terms MSM and women who have sex with women (WSW) have been used in medical scholarship since at least 1990. But, the term has been attributed to Glick "et al.", because their usage in a 1994 study solidified the concept in medical terminology. MSM is
Two Hearts Beat as One the second leg of the War Tour, "Two Hearts Beat as One" began to follow "Surrender" and the two songs segued together. This transition survived to the Unforgettable Fire Tour. However, on the third leg of the Unforgettable Fire Tour, "Two Hearts Beat as One" was separated from "Surrender" and it was played less frequently. Its last tour appearance on 29 April 1985, in Atlanta. It made a further subsequent appearance when it was performed as part of the encore at a Lovetown Tour concert on 27 December 1989, in the Point Depot, Dublin. The song was not played live