The much-anticipated movie Precious opens on November 6. The film, whose executive producers include Oprah Winfrey, tells the bleak story of an obese, illiterate 16-year-old Harlem girl who is pregnant…

A University of Pittsburgh study sheds new light on the relationship between race, body weight and sexual behavior among adolescent girls. The results suggest that a…

A teenage girl’s weight, or perception of her weight, may affect her odds of risky sexual behavior, a new study suggests.

The study, of nearly 7,200 U.S. high school girls,…

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…

When teenagers receive health education and information about contraception, the number of them having unintended pregnancies decreases, finds a large new review.

Unintended pregnancy among adolescents is a common global…

Young people in the Asia Pacific region need to get over taboos on talking about sex, with a survey showing most don’t know much about contraception while a…

Pre- and post-menopausal women who self-rated themselves as being sexually satisfied had a higher overall psychological well-being score and scores for “positive well-being” and “vitality,” compared with…

An innovative drug-delivery system – nanoparticles encapsulating nitric oxide or prescription drugs – shows promise for topical treatment of erectile dysfunction (ED), according to a new study by scientists at Albert…

Widowers take care: Older men who have recently lost their wives are more likely than still-married peers to be diagnosed with a sexually transmitted disease (STD), according to…

Previous research has found that children raised in homes without a biological father have sex earlier than children raised in traditional nuclear families. Now a…

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…