Men who have sex with men MSM , also known as males who have sex with males , are male persons who engage in sexual activity with members of the same sex, regardless of how they identify themselves; many such men do not sexually identify as gay , homosexual or bisexual. The term MSM was created in the s by epidemiologists to study the spread of disease among men who have sex with men, regardless of identity. It does not describe any specific sexual activity, and which activities are covered by the term depends on context. First, it was pursued by epidemiologists seeking behavioral categories that would offer better analytical concepts for the study of disease-risk than identity-based categories such as "gay", " bisexual ", or "straight" , because a man who self-identifies as gay or bisexual is not necessarily sexually active with men, and someone who identifies as straight might be sexually active with men. Second, its usage is tied to criticism of sexual identity terms prevalent in social construction literature which typically rejected the use of identity-based concepts across cultural and historical contexts. MSM are not limited to small, self-identified, and visible sub-populations. MSM and gay refer to different things:
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Tantric sex coach Brad Amberheart explains why these gay men are having sex in the forest. You can watch the full videos on Davey Wavey's. What do we know about heterosexual men who engage in sex with other males? Is a male who has sex with other males but considers himself “straight” really gay Over 50% of participants reported that having sex with other males was too .