Studies of the sex-specificity of sexual arousal in adults (i.e., the tendency to respond more strongly to preferred-sex individuals than non-preferred sex individuals) have suggested that heterosexual men, homosexual men, and homosexual women show stronger sex-specific responses than do heterosexual women. Evidence for a similar pattern of results in studies investigating the reward value of f...

Recalled childhood gender nonconformity (CGN) and adult traits—e.g., masculinity–femininity of occupational preferences (MF-Occ), self-ascribed masculinity– femininity (Self-MF), self-reported anxiety—were assessed in an ethnically diverse US convenience sample of California college students and gay pride attendees, including 238 heterosexual men, 127 gay men, 343 heterosexual women, and 197 le...

The Warnock Committee decided not to sanction artificial insemination by donor (AID) and in vitro fertilisation (IVF) for single heterosexual women orfor lesbian women on the grounds that it is betterfor children to be born into a two-parent heterosexual family. From an examination of the effects on children ofgrowing up in fatherless heterosexual and lesbianfamilies, thispaper questions that a...

PURPOSE A recent study found a disproportionate number of pregnancies among Euro-American lesbian and bisexual adolescents compared to heterosexual peers. American Indian adolescents have reported higher prevalence of gay/lesbian/bisexual orientations than Euro-Americans; do they also report higher prevalence of pregnancy? METHODS The study assessed prevalence of teen pregnancy and related fa...

Human observers are constantly bombarded with a vast amount of information. Selective attention helps us to quickly process what is important while ignoring the irrelevant. In this study, we demonstrate that information that has not entered observers' consciousness, such as interocularly suppressed (invisible) erotic pictures, can direct the distribution of spatial attention. Furthermore, invis...

The sexual age preferences of 192 adults (equal groups of heterosexual men, heterosexual women, homosexual men, and homosexual women) were examined. Participants rated the sexual attractiveness of pictures of 15 male and 15 female faces arranged into five apparent average age categories ranging from 18 to 60 years. It was predicted that homosexual and heterosexual men would prefer younger partn...

To assess the occurrence of white piedra and the asymptomatic carriage rate of T beigelii, 100 heterosexual and 49 homosexual/bisexual men were entered into the study. White piedra of the scrotal hair was discovered in a total of four (2.7%) patients (two heterosexual, one homosexual and one bisexual), while in addition a positive scrotal culture for T beigelii was noted in a further seven (4.8...

The prevalence of gonococcal infection of the pharynx in 205 women, 331 heterosexual men, and 11 homosexual men with gonorrhoea was 6.8%, 4.2%, and 27.3% respectively. In only one patient, a heterosexual man, was the pharynx the sole site of infection. Throat symptoms were found in 7% of women, 21% of heterosexual men, and none of the homosexual men. Orogenital contact was reported by 29% of wo...

This study compared gender identity, anticipated future heterosexual romantic involvement, and psychosocial adjustment of children in lesbian and heterosexual families; it was furthermore assessed whether associations between these aspects differed between family types. Data were obtained in the Netherlands from children in 63 lesbian families and 68 heterosexual families. All children were bet...

BACKGROUND Injecting drug use continues to be a primary driver of HIV epidemics in many parts of the world. Many people who inject drugs (PWID) are sexually active, so it is possible that high-seroprevalence HIV epidemics among PWID may initiate self-sustaining heterosexual transmission epidemics. METHODS Fourteen countries that had experienced high seroprevalence (<20%) HIV epidemics among P...