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. 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.
Men who have sex with men
HIV Risk in Men Who Have Sex With Men (MSM)
Gay, bisexual, and other men who have sex with men MSM represent an incredibly diverse community. The resources on this page provide an overview of the impact of STDs on MSM as well as prevention and treatment information. March 19, June 4, October 8,
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Methylsulfonylmethane MSM is a natural source of edible organic sulfur which is available in all living organisms. Under such a long and complex name, a simple and widely known chemical element, that is, sulfur lies up. Sulfur is involved in virtually every metabolic process that takes place in the body.
Gay sexual practices are sexual activities involving men who have sex with men MSM , regardless of their sexual orientation or sexual identity. Evidence shows that sex between men is significantly underreported in surveys due to social desirability bias. Various sex positions may be performed during sexual activity between men. Historically, anal sex has been popularly associated with male homosexuality and MSM. Many MSM, however, do not engage in anal sex, and may engage in oral sex , frottage or frot , or mutual masturbation instead.