OBJECTIVE To describe bisexual men's behavior in terms of sexual identity, condom use, frequency of sexual intercourse and types of partners and to determine rates of inconsistent condom according to partner's gender. METHODS Cross-sectional study nested in a cohort of HIV-negative homosexual and bisexual men in the city of Belo Horizonte, Southeastern Brazil, followed up since 1994 (Horizont...

OBJECTIVE To investigate the effect of demographic, socioeconomic, educational and family variables on HIV/AIDS knowledge among adolescents aged 11 years. METHODS 3,949 adolescents born in Pelotas (Brazil). HIV/AIDS knowledge was assessed through a self-administered questionnaire and measured through five questions about HIV transmission: heterosexual intercourse, homosexual intercourse, need...

The serologic testing algorithm for recent human immunodeficiency virus (HIV) seroconversion (STARHS) distinguishes between recent acquisition of HIV infection (seroconversion, on average, in the past 129 days) or long-standing infection. STARHS was offered to sexually transmitted disease clinic patients to estimate HIV incidence and determine correlates of recent infection from October 1998 th...

We argue that colonial Christian missions had a long-term impact on anti-gay attitudes in Africa. use geo-coded representative survey of African countries and the location historical to estimate significant economically meaningful association between proximity sentiments today. Using anthropological data pre-colonial acceptance homosexual practices among indigenous groups, we show establishment...

Informed behavior change as an HIV prevention tool has yielded unequal successes across populations. Despite decades of HIV education, some individuals remain at high risk. The mainstream media often portrays these risk factors as products of race and national borders; however, a rich body of recent literature proposes a host of complex social factors that influence behavior, including, but not...

OBJECTIVE To date, the epidemic of HIV infection in Scotland has been primarily associated with injecting drug use. However, the epidemiology of HIV in Scotland changed in the late 1980s, with homosexual men becoming the largest group at risk of HIV infection and AIDS. Our aim was to describe homosexual men's sexual risk behaviours for HIV infection in a sample of men in Scotland's two largest ...

OBJECTIVE To investigate the rates of attempted suicide and its association with psychological distress, experiences of bullying and verbal harassment, and demographic characteristics among Japanese homosexual, bisexual or other men questioning their sexual orientation. DESIGN A cross-sectional design using Japanese participants recruited through the internet. RESULTS Of the 1025 respondent...

The interstitial nuclei of the human anterior hypothalamus (INAH1-4) have been considered candidates for homology with the sexually dimorphic nucleus of the preoptic area of the rat. Volumetric sexual dimorphism has been described for three of these nuclei (INAH1-3), and INAH3 has been reported to be smaller in homosexual than heterosexual men. The current study measured the INAH in Nissl-stain...

BACKGROUND Hepatitis C virus (HCV) infection is a major cause of morbidity throughout the world. Parenteral exposure to infected blood accounts for the majority of cases. Sexual transmission is suggested by the higher prevalence of infection in sex workers and homosexual men. Sexual practices which contribute to HCV infection need to be identified. METHODS The social and medical history, and ...