Women find happy guys significantly less sexually attractive than swaggering or brooding men, according to a new University of British Columbia study that helps to explain the…

If a gay or bisexual man seeks sex or dating online, the type of partner or relationship he wants is a good indicator of whether he’ll…

Men who have been diagnosed with poor sperm quality and who are trying to have children should limit their cell phone use. Researchers have found that while cell phone use…

More gay men reported being cancer survivors than straight men in a new study from California.

That suggests they may need targeted interventions to prevent cancer, the researchers said,…

More intensive or family-based HIV prevention interventions may be needed to encourage juvenile offenders to use condoms and stop engaging in risky sexual behavior, say researchers from the Bradley…

People with genital herpes can still be contagious even if they don’t have symptoms, according to a study that raises the question of whether all adults should be screened…

After reviewing existing research regarding the common practices of health care providers who see adolescent patients across the country, Rebecca Allen, MD, MPH, a clinician and researcher at Women &…

Having sex for the first time can improve or degrade your self-image depending on whether you are male or female, according to Penn State researchers. On…

Sudden bursts of moderate to intense physical activity - such as jogging or having sex - significantly increase the risk of having a heart attack, especially in people who…

A new study by The George Washington University School of Medicine and Health Sciences, that will be published in the Journal of Sexual Medicine, suggests…

When it comes to male fertility, it turns out that size does matter.

The dimension in question is not penis or testicle size, but a measurement known as anogenital distance,…

A new study published in the International Journal of Andrology reveals that semen quality has significantly deteriorated during the last ten years in Finland, a country that previously was a…

Many women who survive breast and gynecologic cancers want medical help for their sexual issues, but most do not get it. A survey…

Britain launched a public consultation Monday to help authorities decide whether people who donate eggs and sperm to fertility clinics should be paid cash compensation, and if so how…

Researchers from Boston University School of Medicine (BUSM), in collaboration with colleagues at Lahey Clinic and from Denmark and Germany, have found…

The internet may be overflowing with information on every topic under the sun, but it’s not your teen’s destination of choice for information on sex.  In fact, according to…

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…

Kids learn a great deal about sexuality from friends and from the media, but parents and teens agree: Parents should be the most…

Purpose of Review: Sexual dysfunctions have been described as being common in schizophrenia patients. The pathophysiology behind their development remains unclear. They can be secondary to the disease itself or an adverse event…

While there are still couples who wait for a deep level of commitment before having sex, today it’s far more common for two people to explore their sexual…

Women in one of Colombia’s poorest neighborhoods last week began receiving no-cost contraceptives drugs and surgical procedures, after the country’s Congress this fall passed a law guaranteeing access to the services…

A proposed sex education program for Needham, Mass., public schools would expand instruction to more grades and add lessons on relationships in the age of social media, the…

Lesbian, gay and bisexual (LGB) adolescents are about 40 percent more likely than other teens to be punished by school authorities, police and the courts, according to a…

Scientists have discovered that the alteration of a single gene could cause some male embryos to develop as females.

The breakthrough will improve diagnosis and clinical management of patients…

Could making child pornography legal lead to lower rates of child sex abuse? It could well do, according to a new study by Milton Diamond,…