Researchers have documented yet another health benefit for circumcision, which can protect men against the AIDS virus, saying it can protect their wives and girlfriends from a virus that causes…

Among gay men in the United States, blacks are more likely than whites to believe that homosexuality is “wrong” - and these feelings might be contributing to the black…

The United States apologized on Friday for an experiment conducted in the 1940s in which U.S. government medical researchers deliberately infected Guatemalan prison inmates with syphilis.

Secretary of State Hillary Clinton,…

Risky sexual behavior among members of a subset of the gay community is still adding to the spread of HIV. Research published in the open access journal…

More than 4 million new HIV infections could be prevented in eastern and southern Africa by 2025 if male circumcision rates were increased to 80 percent, researchers said…

Men who use condoms every time they have sex are less likely to harbor the virus that causes genital warts than those who are less consistent about protection, a…

A new study examining the relationship dynamics of gay male couples finds that couples make “sexual agreements” - rules about whether sex with outside partners is allowed…

Physicians who prescribe erectile dysfunction drugs for their male patients should be sure to discuss the importance of safer sex practices, even with older patients: that…

Scientists studying swingers - straight couples who regularly swap sexual partners and indulge in group sex at organized meeting - say they have higher rates of sexually transmitted infections (STIs)…

The risk of acquiring HIV through unprotected anal sex is at least 20 times greater than with unprotected vaginal sex and increases if other infections…

One child was born with syphilis every hour in China in 2008, researchers said Thursday, as new money from the country’s growing economy fuels the world’s fastest-growing…

Men who carry the virus that causes genital warts may be at increased risk of HIV infection, a study of Kenyan men suggests.

Researchers say the findings raise…

Despite the virtual elimination of syphilis in China in the 1950s, the sexually transmitted infection is currently at epidemic proportions in the country and rates of…

A binational team of researchers led by University of California, San Diego School of Medicine have discovered that active syphilis infections are significantly greater in…

Contrary to what’s traditionally been believed, anal infection with the virus that causes genital warts is common in heterosexual men, a new study confirms.

Until recent years, there had been…

More U.S. babies are being born with syphilis, many of them to women in the South who use crack cocaine and work in the sex trade, according to a…

The sexually transmitted disease gonorrhea risks becoming a drug-resistant “superbug” if doctors do not devise new ways of treating it, a leading sexual health expert said.

Catherine Ison, a specialist on…

About 16 percent of Americans between the ages of 14 and 49 are infected with genital herpes, making it one of the most common sexually transmitted diseases, U.S. health officials…

Frequent testing and treatment of infection does not reduce the prevalence of chlamydia in urban teenage girls, according to a long term study by Indiana University…

A new study adds to evidence that bacterial vaginosis, the most common vaginal infection in women of childbearing age, is a sexually transmitted disease.

Bacterial vaginosis, or BV, occurs when…

American squeamishness about talking about sex has helped keep common sexually transmitted infections far too common, especially among vulnerable teens, U.S. researchers reported Monday.

Latest statistics on chlamydia, gonorrhea…

Since 2007, when free vaccination against HPV for young women became available, Australia has seen a rapid decline in new cases of genital warts, researchers say. HPV, or…

An epidemic of syphilis in Jefferson County, Alabama, between 2005 and 2007 involved large increases in cases among heterosexuals, a population in which rates of infection had previously been falling,…

Heterosexual men who undergo medical circumcision can significantly reduce their risk of acquiring two common sexually transmitted infections-herpes simplex virus type 2 (HSV-2), the…

Adolescent girls reveal alarmingly high rates of sexually transmitted infections (STIs) which remain largely undetected by recommended screening guidelines. A study in Brazil, reported in the open access journal…