OBJECTIVE To analyze the relationships between sexual behavior and risk factors to physical and mental health in adolescents. METHODS Study of 3,195 pupils aged 15 to 19 in secondary education, in public and private schools in 10 state capitals in Brazil between 2007 and 2008. Multi-stage (schools and pupils) cluster sampling was used in each city and public and private educational network. A...

surface topography and ultrastructure of dried cysts of artemia parthenogenetica (vedaranyam population) and bisexual artemia sp. (kelambakkam population) were studied electron microscopically in order to identify the bisexual strain, inhabiting covelong salterns, kelambakkam, south india. the scope of this study is to provide substantial information for further characterization of these artemi...

The Lesbian, Gay, Bisexual, Transgender, and Queer (“LGBTQ+”) community has won major legal victories in the last twenty years, but at least one group remains left behind in those victories. The bisexual population is often ignored, erased, and discriminated against by both homosexual and heterosexual individuals and communities.1 This is true despite the fact that bisexuals outnumber both lesb...

The fungus Cryptococcus neoformans can undergo a-α bisexual and unisexual reproduction. Completion of both sexual reproduction modes requires similar cellular differentiation processes and meiosis. Although bisexual reproduction generates equal number of a and α progeny and is far more efficient than unisexual reproduction under mating-inducing laboratory conditions, the α mating type dominates...

Introduction: Victimization and rejection expectations predict mental health problems in gay and bisexual men. Furthermore, it was shown that victimization predicts rejection expectations. Nevertheless, the levels of these two variables do not necessarily correspond as indicated by low inter-correlations, resulting in the question "How do discrepancies in the two variables relate to mental heal...

BACKGROUND Indian cultural tradition demanding marriage, many MSM howsoever they self-identify are likely to be married or have sex with women. To consolidate India's HIV prevention gains, it is important to understand and address the interaction between the MSM and heterosexual epidemics in India and create specific interventions for bisexual MSM. The challenge is to identify and intervene thi...

Dioecious plants (with separate male and female individuals) more often have drab, inconspicuous flowers than related bisexual plants. Models indicate, however, that similar conditions favour the evolution of showy floral displays in dioecious and bisexual plants. One difference, however, is that dioecious plants may evolve floral displays that are sexually dimorphic. We show that males are mor...

This article demonstrates how same-sex male battering challenges contemporary feminist domestic violence theory. The author shows current theory to be heterosexist and therefore insufficient to explain the phenomenon of battering among gay/bisexual men. Domestic violence theories that integrate a sociopolitical and a psychological analysis of battering are presented as more inclusive of same-se...

Vowel production in gay, lesbian, bisexual ~GLB!, and heterosexual speakers was examined. Differences in the acoustic characteristics of vowels were found as a function of sexual orientation. Lesbian and bisexual women produced less fronted /u/ and /Ä/ than heterosexual women. Gay men produced a more expanded vowel space than heterosexual men. However, the vowels of GLB speakers were not genera...

Bisexual individuals face identity denial and erasure qualitative analyses suggest that it may be gendered, such people stereotype bisexual women as truly heterosexual men gay. Across three studies (total N = 787), we examined perceptions of targets’ attraction patterns. Participants rated the either a female or male target to both same gender/sex opposite gender/sex. An internal meta-analysis ...