The advent of the first effective oral agent in the management of erectile dysfunction, sildenafil (Viagra ; Pfizer US Pharmaceutical Group, New York, NY), has had a revolutionary impact on management.

Researchers have identified an alternative pathway that regulates penile erection, offering fresh hope to the 40% of impotent men for whom Viagra is ineffective. Viagra increases the dilatory effects of nitric acid in the…

Researchers at the University of Southern California (USC) suggest epigenetics, or the way DNA is processed and expressed, may be the underlying cause for male infertility. The study will…

Circumcision is one of the commonest surgical procedures performed on males. Opponents argue that infant circumcision can cause both physical and psychological harm, while recent…

An Indiana University study found that men who were highly motivated to wear condoms - who thought they should for one reason or another - were more likely to put…

Greater support for bisexual men in general is vital to decreasing the secrecy involved in many bisexual men’s sexual encounters, as well as its potential health risks.

“Bisexual men…

Previous studies have linked heavy drinking and conduct disorder to high-risk sexual behaviors that can, in turn, lead to unintended pregnancies, infection,…

Family doctors and patients with herpes are poorly informed about the viral infection, indicate the results of an online survey, published ahead of print in the journal Sexually Transmitted Infections.

The number of reported cases of chlamydia, gonorrhea and syphilis increased in the United States between 2005 and 2006, according to the Centers for Disease Control and Prevention’s 2006…

A new study by University of Virginia clinical psychologists has found that teens who have sex at an early age may be less inclined to…

Sex partner acquisition while overseas: results form a British national probability survey

Around one in five young Britons has sex with a new partner while…

Sex is supposed to be enjoyable, but for countless women suffering from vulvodynia, that’s not the case. Characterized by pain or discomfort with sexual intercourse, rawness, stinging, itching and burning in…

Over 25% of the United States adult population report either physical or sexual lifetime abuse. Medically, abuse is strongly associated with a range of gastroenterologic and genitourinary symptoms. Even paternal rejection…

The objective of the study was to assess testicular cancer in infertile men utilizing a cohort study methodology. Couples evaluated for infertility from 1965 to 1995 from 15 California…

A study of former high-school American Football players has found that more than a third said they had had sexual relations with other…

Researchers at the Royal Veterinary College, London, have made a significant breakthrough in their understanding of how infection of the uterus damages fertility in cows. Their findings,…

Scientists at the University of North Carolina at Chapel Hill have identified a gene crucial to the final step of the formation of a functional sperm cell.

That…

Two reports from physician-scientists at NewYork-Presbyterian Hospital/Weill Cornell Medical Center shed new light on male infertility. A first report shows that a common cause of male infertility - varicoceles, or…

While it is commonly thought that men with low IQs sexually offend because of a lack of knowledge or sexual deviance, new research has found the men may…

People are generally ignorant of sex and prejudiced about sexual education. Hence, a survey of the knowledge of and the attitudes towards sex was conducted among college students in…

Erectile response in mammals is centrally and peripherally regulated by androgens. Severe hypogonadism in men usually results in loss of libido and potency which can be restored by androgen…

The National Institute of Health defined erectile dysfunction as the persistent inability to achieve and/or to maintain an erection for a satisfactory sexual performance. Erectile dysfunction must…

Children who are ostracized by their classmates or “picked on” by their teachers may be more likely than their peers to start having sex by the age of 13,…

Although medication can help extend the lives of men with chronic heart failure, several factors associated with this disease can interfere with a person’s ability to engage…

Otherwise healthy men who smoke risk developing erectile dysfunction - and the more cigarettes they smoke, the greater the risk of erectile dysfunction, according to a new study.

Erectile dysfunction…