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…

Men in their thirties who had inflamed gums caused by severe periodontal disease were three times more likely to suffer from erection problems, according…

An increasing number of men suffer from fertility problems, especially in western society.  The general belief is that many problems may be related to stress but it…

Scientists at the Institute of Molecular Biology (IMB) in Mainz have identified a protein essential for initiating the development of male sex organs. Loss…

Perhaps variety is the very spice of life, but as a matter of producing human life, it could be the bane of existence. That’s the indication of a new…

Severe spermatogenic failure (SSF) is a genetic condition that causes low sperm count and infertility. New insights into the genetic alterations that cause this disorder and their prevalence…

It’s a common lament among parents: Kids are growing up too fast these days. Parents worry about their kids getting involved in all…

Women who have undergone female genital mutilation (FGM) have a significantly lower sexual quality of life finds a new study published today (10 October) in BJOG: An…

dolescent girls participating in a sexual risk reduction (SRR) intervention study were more likely to practice abstinence and, if sexually active, showed substantial decreases…

Researchers have identified 12 DNA sequences that may help doctors determine which men will suffer from erectile dysfunction (ED) following radiation therapy for prostate cancer. Identifying these patients in advance…

One out of every seven Los Angeles high schoolers with a cell phone has sent a sexually-explicit text message or photo, according to results of a 2011 survey that…

California’s pediatricians-in-training are not adequately educated about the methods to prevent recurrent sexually transmitted infections in teenagers. That’s the conclusion of a study from the Stanford…

New York City’s Jewish ritual circumcisers who use their mouths to draw away blood from the wound on a baby’s penis must now get the parents to sign a consent…

Attention men: The day may be coming soon when you can take your own birth control pill with no side effects, according to a study…

While the effects of sexualized media on young women has long been debated, a new study finds that women who read sex-related magazine articles from popular women’s magazines like Cosmopolitan…

The nation’s most influential pediatricians group says the health benefits of circumcision in newborn boys outweigh any risks and insurance companies should pay for it.

In its latest policy statement…

While most articles related to women and orgasms focus on the problem of not having them, one tabloid profiled a woman who has too many - 100 per day.…

Declining rates of circumcision among infants will translate into billions of dollars of unnecessary medical costs in the U.S. as these boys grow up and become sexually…

How do sexual cues affect consumer behavior? New research from USC Marshall School of Business Assistant Professor of Marketing Kyu Kim and Gal Zauberman, associate professor of marketing at The…

Middle-aged and older women with diabetes are less satisfied with their sex lives than are women without the blood sugar disease, U.S. government-funded research suggests.

While diabetic men…

Efforts to reduce risky sexual behavior among U.S. high school students have stalled in the past decade and urgent action is needed to stem HIV infection rates…