The results of a study suggest that online-mediated syphilis testing is helpful in detecting syphilis in gay men.

Sexual activity other than intercourse carries some risk of sexually transmitted disease, and doctors should make sure their patients understand that, according to the American College of Obstetricians and Gynecologists (ACOG).

We know for certain there’s a link between penis size and how men think they measure up against each other.

Females from at least one other species besides our own will sometimes go to great lengths — even putting themselves in harm’s way — to avoid sexual harassment by males, according to a new study.

Eating or drinking a lot of products containing soy and isoflavones can result in reduced sperm count among men...

The Taiwanese Association of Andrology (TAA) launched an informational short film at a press conference yesterday, urging men who have problems with sexual impotence to go seek help without fear of embarrassment.

Eating a half serving a day of soy-based foods could be enough to significantly lower a man’s sperm count, U.S. researchers said on Wednesday.

More 70-year-olds are having good sex more often, Swedish researchers said on Tuesday in a finding bound to bring a smile to many aging baby boomers.

There’s new advice for older men who want to preserve their sexual function: have sex, and have it often, researchers say.

Sexually transmitted infections (STIs) in Britons aged over 45 has more than doubled in less than a decade with Internet dating and drugs that counter erectile dysfunction partly to blame, a report said on Monday.