Using a social stress perspective, the authors studied the mental health effects of added burden related to socially disadvantaged status (being African American or Latino, female, young, and identifying as bisexual vs. gay or lesbian) in a community sample of 396 self-identified lesbian, gay, and bisexual (LGB) adults. Mental health outcomes were social and psychological well-being contrasted ...

Trichogramma species (Hymenoptera: Trichogrammatidae) are haplo-diploid egg parasitoids that are frequently used as biological control agents against lepidopteran pests. These wasps display two reproductive modes, including arrhenotoky (bisexuality) and thelytoky (unisexuality). Thelytokous forms are often associated with the presence of endosymbiotic Wolbachia bacteria. The use of thelytokous ...

Research on behaviourally bisexual Latino men in the USA has not yet examined sexual health issues among men living in diverse areas of the nation, including the Midwest. A community-based participatory research approach was used to engage a diverse sample of 75 behaviourally bisexual men (25 White, 25 Black and 25 Latino). Semi-structured interviews were conducted and standard qualitative anal...

For many adolescent Kenyan males genital reshaping is a self-defining experience of enormous positive significance. The same can be said for many Kenyan females. These adolescents, male and female, do not think their bodies have been “mutilated.” Quite the contrary, by their lights the surgical procedure removes a defect of nature and is the means by which a desired state of physical integrity ...

Several lines of evidence indicate the existence of genetic factors influencing male homosexuality and bisexuality. In spite of its relatively low frequency, the stable permanence in all human populations of this apparently detrimental trait constitutes a puzzling 'Darwinian paradox'. Furthermore, several studies have pointed out relevant asymmetries in the distribution of both male homosexuali...

BACKGROUND Differences in sexual health-related outcomes by sexual behavior and identity remain underinvestigated among bisexual female adolescents. METHODS Data from girls (N = 875) who participated in the Massachusetts Youth Risk Behavior Surveillance survey were analyzed. Weighted logistic regression models were fit to examine sexual and psychosocial health by lifetime sexual behavior (beh...

BACKGROUND Despite growing interest in the public health of sexual minority, youth around the world due to the high rates of suicidal ideation and attempts in this population, few studies on the sexual orientation of Korean adolescents have been conducted. Therefore, this study investigated the relationship between the sexual orientation of Korean adolescents and their suicide-related behavior....

A seroepidemiologic survey was performed aimed at estimating the prevalence of human immunodeficiency virus, the prevalence of hepatitis C virus antibodies (anti-HCV), the risk factors associated with human immunodeficiency virus transmission and the epidemiological profile of the women in puerperal period in three public Hospitals of Cuiabá City between December 2001 and March 2002. The sample...

This study explored the role of Hijras (male transgenders) as a core group in Pakistan's HIV epidemic. Four hundred and nine Hijras underwent detailed behavioural and biological assessment. Our subjects were young (median age: 24 years), debuted sex early and used alcohol and drugs. Sex with men, women and other Hijras along with co-habitation/marriage were reported. Most (84%) had sold sex. Th...

Research has shown that bisexuals have poorer health outcomes than heterosexuals, gays, or lesbians, particularly with regard to mental health and substance use. However, research on bisexuals is often hampered by issues in defining bisexuality, small sample sizes, and by the failure to address age differences between bisexuals and other groups or age gradients in mental health. The Risk & Resi...