Nearly one in 10 of the 14- to 21-year-olds surveyed reported perpetrating sexual violence in their lifetime, researchers found.

Of the 9% who committed some type of sexual violence, 8% engaged in…

The mix of bacteria in the vagina changes as women go through menopause. And a certain mix is typical after menopause in women who…

The rate of circumcisions performed on newborn boys in U.S. hospitals dropped 6 percentage points over the last three decades, with an especially steep decline in Western states,…

Tolerance toward gays and lesbians is growing within the evangelical community - long a stronghold against homosexuality - with many expressing ambivalent views about the issue,…

Controversy exists over what some mental health experts call “hypersexuality,” or sexual “addiction.” Namely, is it a mental disorder at all, or something else? It failed to make the cut in…

A new study by University of British Columbia researchers shows that although 90 per cent of East Asian adolescents in British Columbia are not sexually active, those who are may engage…

A survey of adult South African men published in this week’s PLOS Medicine, shows that while overlapping sexual relationships with women appear to be common,…

Viewing sexually explicit material through media such as the Internet, videos, and magazines may be directly linked with the sexual behavior of adolescents and young adults,…

Male circumcision reduces the abundance of bacteria living on the penis and might help explain why circumcision offers men some protection against HIV, according to a study…

Sexual activity among younger teens is rare, and those having sex at 10 or younger are usually victims of coercion, according to the Guttmacher Institute.

Among those born in the years from…

Despite the high erectile dysfunction (ED) prevalence most patients receive no treatment, according to a new US study, presented at the 28th Annual EAU Congress. Undertreatment of…

Health regulators said on Tuesday they have approved a drug made by Japan’s Shionogi & Co to treat women experiencing pain during sexual intercourse.

The U.S. Food and…

Same-sex cohabitors report worse health than people of the same socioeconomic status who are in heterosexual marriages, according to a new study, which may provide fuel for…

Men circumcised either as children or adults report less intense sexual pleasure and orgasm than their uncircumcised counterparts, according to a new study from Belgium.

“We’re not saying less sexual…

Men who do little exercise and spend much of their spare time watching TV have lower sperm counts than more active men, a study suggests.

Clocking up 20 hours…

Married men who spend more time doing traditionally female household tasks - including cooking, cleaning, and shopping - report having less sex than husbands who don’t…

An Australian study has found that men with erectile dysfunction have a higher risk of hospital admission for heart disease, even if they have no history of heart problems and are…

Over 4 million adults in the United States identify as gay, lesbian, or bisexual and approximately 700,000 identify as transgender. An NIH-sponsored investigation by the Institute of Medicine (IOM) concluded…

Quality sexual and reproductive health care is an essential component of public health. However, there are insufficient evidence-based policies related to adolescent sexual and reproductive health in low- and middle-income…

A new study finds that nearly half of older teenagers and young adults break up and get back together with previous dating…

A new study published in The Journal of Sexual Medicine reveals that within a nationally representative study of American men and…

The first comparative study on the evolution of sperm quality in young Spanish men over ten years, headed by researchers at…

About half of women sent to Iraq or Afghanistan report being sexually harassed, and nearly one in four say they were sexually assaulted, according to new research by…

Epigenetics – how gene expression is regulated by temporary switches, called epi-marks – appears to be a critical and overlooked factor contributing to the long-standing puzzle of why homosexuality occurs.

When it comes to sperm counts, French men aren’t what they used to be, according to a new study.

Researchers found that between 1989 and 2005, the number of sperm…