A new study from Harvard School of Public Health (HSPH) and Brigham and Women’s Hospital researchers has found a strong association between the common sexually…

About 10% of all couples hoping for a baby have fertility problems. Environmentalists say pollution is to blame and psychiatrists point to our stressful lifestyles, but evolutionary biologist Dr. Oren…

When researchers first reported the sequence of the human Y chromosome, they referred to it as a “literal hall of mirrors.” That is, the male sex chromosome, and in particular…

Sexual impairment is common among men with chronic hepatitis C undergoing antiviral therapy, according to a new study in Gastroenterology, the official journal of the American Gastroenterological Association (AGA)…

Research indicates that the social stigma that surrounds lesbian, gay, bisexual, and transgender (LGBT) teens leads to a variety of health risks such as substance use, risky…

A new program that urges middle-school students to figure out their values regarding sex appears to reduce the likelihood that they will engage in early sexual activity, a study finds.

Being a victim of sexual assault and seeking help is difficult for anyone, but when the victim is lesbian, gay, bisexual, transgender and/or queer (LGBTQ) the thought of reporting…

- It’s known that kids who have been sexually abused tend to start having sex earlier than kids who have not had that experience, possibly due to emotional distress. A…

Women become less sexually active and less interested in sex as they get older, on average, but there are still plenty of women who continue to have sex…

Men may not want to pin their hopes on acupuncture as a treatment for impotence, or erectile dysfunction, a new review of evidence suggests.

Acupuncture is an ancient Chinese method…

Researchers have identified a potential biological mechanism that could explain why oral contraceptives may be less effective at preventing pregnancy in obese women, as some epidemiological…

Young American-raised Asian and Pacific Islanders (API), who are in the sexual minority, face psychological and social stresses in dealing with their families’ values…

Two Indiana University surveys suggest that vibrator use during sexual encounters is common among American men and women and is linked to better sexual health.

Dr. Debra Herbenick and colleagues surveyed…

An Indian court on Thursday ruled gay sex was not a crime, a verdict that will bolster demands by gay and health groups that the government scrap a British colonial…

Daily sex (or ejaculating daily) for seven days improves men’s sperm quality by reducing the amount of DNA damage, according to an Australian study presented today…

Two Indiana University studies conducted among nationally representative samples of adult American men and women show that vibrator use during sexual interactions is common, with…

Many a hip parent has confessed that when they see their young daughter, dressed in little wisps of clothing, gyrating in front of the TV while singing along with Britney Spears, it unnerves…

Nearly half the HIV-positive U.S. adolescents and young adults are unaware of their infection, and less than a quarter of sexually active high school students are…

The social class, the gender and the ethnic group are three essential dimensions, not only in the social differentiation, but also in the affective sexual education of…

Sexually active adolescent girls can be successfully screened for asymptomatic Chlamydia trachomatis infections during pediatric urgent care visits.

“To address the C. trachomatis epidemic among our adolescent and young…

Couples’ treatment for sexual problems and other innovative approaches to improving sexual health for men and women are on the agenda of sexual medicine experts.

Between 2003 and 2007, the progress made in the 1990s and early 2000s in improving teen contraceptive use and reducing teen pregnancy and…

Researchers have known for more than half a century that sperm is able to fertilize an egg only after it has resided for a period…

While fatherhood might be far from the minds of most young men, behavior patterns they establish early on may impact their ability to become a dad later in life. Excessive laptop use…

For the more than 6 million female cancer survivors living in the U.S. today, the celebration of continued life and love can be interrupted by cancer treatment’s side effects, including…