BANS on same-sex marriage or civil unions are toppling across the Western world. And growing numbers of gay and lesbian couples are doing what typical married couples do: settling down and starting a family. Some adopt while others have their own biological children.
The sera of 60 homosexual males were examined for the presence of antibodies to sperm using an indirect immunobead test IBT. The presence of antibodies was associated with the practice of unprotected receptive anal intercourse in the previous six months. Antibodies were not found in homosexual men who were celibate, or who practised only oral intercourse during the same period.
Since reports of the human immunodeficiency virus HIV began to emerge in the United States in the s, the HIV epidemic has frequently been linked to gaybisexualand other men who have sex with men MSM by epidemiologists and medical professionals. The first official report on the virus was published by the Center for Disease Control CDC on June 5, and detailed the cases of five young gay men who were hospitalised with serious infections. It is now well understood that HIV does not only affect the gay community but can also infect anybody, regardless of sex, ethnicity, or sexual orientation.
As a physician, it is my duty to assess behaviors for their impact on health and wellbeing. When something is beneficial, such as exercise, good nutrition, or adequate sleep, it is my duty to recommend it. Likewise, when something is harmful, such as smoking, overeating, alcohol or drug abuse, and homosexual sex, it is my duty to discourage it.
A variety of factors may influence this highly personal decision. Conceiving at home with sperm from a known donor may be simpler and less costly than using anonymously donated sperm at a clinic. However, if you or you and your partner intend to parent with no involvement from the donor, it is safest to use anonymous sperm.
Gay sex — in beetles, at least — gives males a chance to indirectly fertilise females they may never encounter directly. Over the years, biologists have proposed a range of explanations. Homosexual activity might, for example, help males practise for straight sex, or they might offer males a way to assert dominance over one another.
It's hard to pinpoint exactly when semen became the focus of so much erotic fixation in the gay community. I didn't shower afterward," he told the magazine. Whatever the case, semen is everywhere these days.
Rates of women who are opting for preventive mastectomies, such as Angeline Jolie, have increased by an estimated 50 percent in recent years, experts say. But many doctors are puzzled because the operation doesn't carry a percent guarantee, it's major surgery -- and women have other options, from a once-a-day pill to careful monitoring. The FDA has rejected calls to scrap the provision, insisting that gay men collectively pose a higher-than-average risk of carrying the AIDS virus.
Sperm Wars is a primarily nonfiction book by evolutionary biologist Robin Baker. Through a series of short fictional stories and discussion following them, Baker proposes evolutionary functions for sexual habits, mostly on the principle of competition between sperm of different men for a prized egg. The book is controversial,  both because of its explanations of homosexualitysexual assaultand prostitution, and because some critics have claimed that several of the hypotheses in the book are not supported by scientific research.