Heterosexual in Biological News

Children born after donor insemination should be told as soon as possible about their conception

... before the age of three than were children of heterosexual parents: 63%, 56% and 9% respectively. Indeed, 33% of children in heterosexual families were told about their conception after ... other two types of families. Two children from heterosexual parents only found out when told by people who ...

Cutting-edge amfAR grants fight HIV/AIDS in the lab and on the phone

... three Krim Fellows authored papers in leading scientific journals describing novel strategies for vaccine development, drug design, and prevention of heterosexual transmission of HIV. The new Fellowship recipients will examine viral latency and new targets for microbicide and anti-HIV drug development. "HIV ...

Men are better at detecting infidelities

... may be better than men at concealing illicit liaisons. Paul Andrews at Virginia Commonwealth University in Richmond and colleagues gave 203 young heterosexual couples confidential questionnaires asking them whether they had ever strayed, and whether they suspected or knew their partner had strayed. In this, ...

Male circumcision reduces HIV risk, study stopped early

... of men reduces their risk of acquiring HIV during heterosexual intercourse by 53 percent. The study's ... percent of HIV infections in adults result from heterosexual intercourse. In Kisumu, the third-largest city in ... of HIV/AIDS in the United States or Europe where heterosexual transmission of HIV is low compared with areas ...

Face perception is modulated by sexual orientation

... to faces. The researchers postulated that heterosexual women and homosexual men would show a greater ... these areas to male than to female faces, whereas heterosexual men and homosexual women would respond more to ... The researchers scanned 40 subjects (10 heterosexual women, ...

PLoS Medicine publishes first trial of effect of male circumcision on HIV infection

... The trial found that circumcision reduced the rate of new infections among heterosexual men in South Africa by about 60%. Because HIV infection rates are ... practice. The researchers offered young sexually active uncircumcised heterosexual men the chance to be circumcised and then monitored for HIV infection. The ...

AIDS expert says global strategy needed to combat feminization of HIV/AIDS

... with 97 percent of female HIV infections in the United States due to heterosexual transmission (81 percent) and intravenous drug use (16 percent). In the developing world, heterosexual transmission is responsible for nearly all of the infections among women, ...

Male circumcision reduces risk of HIV transmission from women to men

... The first study to examine the probability of HIV infection per act of heterosexual sex among a population with multiple sexual partners has found that ... attempted to calculate the probability of female-to-male infection through heterosexual sex, the cohorts consisted only of monogamous couples in which the female ...

Bisexual fruit flies show new role for neurochemical

... "The mutants are completely bisexual, but fertile. It's the first gene that really specifically affects homosexual behavior without affecting heterosexual behavior," he said. "Trying to understand fly bisexuality sounds silly, but these behavioral changes are important evidence that ambient ...

Africa's first large-scale HIV vaccine study launches

... of HIV. Additionally, the South African study is likely to provide important new data on how the test vaccine might work in a predominantly heterosexual HIV epidemic, how well the vaccine works in women, and whether the vaccine works in populations with pre-existing immunity to the viral vector used ...

Anti-herpes treatment reduces HIV levels in women infected with both viruses

... the management of patients co-infected by the two viruses. In 2005, an estimated 4.1 million people were newly infected with HIV, mostly through heterosexual intercourse1. This alarming number of infections highlights the urgent need to intensify and expand proven prevention methods, and further, to ...

New HIV study identifies high-risk subgroups of adolescents

... moderate numbers of unprotected sex acts, but high levels of substance use and mental health crises were less likely to identify themselves as heterosexual (57 percent identified themselves as heterosexual, 39 percent said they were bisexual, four percent were undecided) and were overwhelmingly white (72 ...

Anti-HIV drug has potential to prevent transmission in women

... Approximately 5 million people will be infected with HIV this year ?almost half of them women. Because the majority of new HIV infections occur via heterosexual intercourse, there is a need for new ways to prevent the sexual transmission of HIV. Although condoms can offer protection from HIV, in many ...

Vaginal gel may provide a new approach to HIV prevention

... development. Women make up nearly half of all people living with HIV worldwide, and 80 percent of new cases of HIV infection in women result from heterosexual intercourse. A vaginal gel containing microbicides could be applied topically to reduce the transmission of HIV and other sexually transmitted ...

HIV vaccine trial breaks ground for future research

... randomized study of healthy participants who did not use intravenous drugs. The volunteers were men who have sex with men or women at high risk for heterosexual transmission. The vaccine and placebo were given by injection seven times over 30 months and the participants were assessed for risk. At each visit ...

MetaChip provides quick, efficient toxicity screening of potential drugs

... HIV/AIDS. Women make up nearly half of all people living with HIV worldwide. "The majority of new cases of HIV infection in women result from heterosexual intercourse, but women may not always be able to insist that their male partners use measures to prevent HIV transmission," notes NIAID Director ...

International trial of two microbicides begins

... HIV/AIDS. Women make up nearly half of all people living with HIV worldwide. "The majority of new cases of HIV infection in women result from heterosexual intercourse, but women may not always be able to insist that their male partners use measures to prevent HIV transmission," notes NIAID Director ...