HIV impacts men, women and children of all races, genders, ethnicities and sexual identities; however, a disproportionate number of men who have sex with men (MSM) continue to be heavily impacted in the United States. According to the CDC, MSM accounted for 71% of all HIV infections among males in 2005, even though only five to seven percent of adult males identify themselves as MSM (CDC, 2007)...

Introduction Methylsulfonylmethane (MSM), also known as dimethyl sulfone (DMSO 2 ) and methyl sulfone, is an organic sulfur-containing compound that occurs naturally in a variety of fruits, vegetables, grains, and animals including humans. A white, odorless, slightly bitter-tasting crystalline substance containing 34-percent elemental sulfur, MSM is a normal oxidative metabolite product of dime...

Despite high sexually transmitted infection (STI) prevalence in the Pacific, there are limited data on STIs and risk among men who have sex with men (MSM) and transgender people (TG). In 2011, an Integrated Bio-Behavioural Survey recruited self-identified MSM and TG in Port Vila, Vanuatu. Descriptive findings were stratified by sexuality. Among 28 (55%) MSM and 23 (45%) TG, recent anal sex with...

SINCE THE FIRST REPORT OF AIDS IN 5 MEN WHO HAVE sex with men (MSM) from Los Angeles, MSM have accounted for a higher proportion of AIDS cases than any other group in countries such as the United States (44%), Canada (65%), and Australia (64%). Although MSM first brought human immunodeficiency virus (HIV)/AIDS to the world’s attention and, even in the absence of external funding, were the first...

BACKGROUND Measurement of prevalence and incidence of infections in a hard to reach population like men who have sex with men (MSM) is hampered by its unknown size and regional distribution. Population-based surveys have recently been used to estimate the total number of MSM, but these surveys are usually not large enough to measure regional differences in the proportion of MSM in the populatio...

Gay, bisexual, and other men who have sex with men (MSM) represent approximately 2% of the United States population, yet are the risk group most affected by human immunodeficiency virus (HIV). In 2010, among persons newly infected with HIV, 63% were MSM; among persons living with HIV, 52% were MSM. The three goals of the National HIV/AIDS Strategy are to reduce new HIV infections, to increase a...

OBJECTIVE Age disassortativity is one hypothesis for HIV disparities between Black and White MSM. We examined differences in age mixing by race and the effect of partner age difference on the association between race and HIV status. DESIGN We used data from four studies of MSM. Participants reported information about recent sexual partners, including age, race, and sexual behavior. Two studie...