Mexico plans to administer the vaccine against human papillomavirus (HPV), which can cause cervical cancer, to all girls beginning next year, the country's health ministry said Tuesday.

Thirty years after the AIDS epidemic surfaced, hope of conquering the deadly epidemic has never been greater, according to a longtime U.S. leader in the AIDS fight, Anthony Fauci.

Unbelievable as it may sound, not all young men want more sex.

Sex addicts feel threatened by intimacy and are more insecure about romantic relationships than the rest of the population, a New Zealand study has found.

The U.S. generation that promoted free love in the 1960s has grown old and cranky about sex.

A daily dose of an oral antiretroviral drug reduced the number of HIV infections among sexually active gay men by 44 percent, a U.S. study carried out on four continents said Tuesday.

The mounting stress in life has caused as high as 70 percent of male adults in Taiwan to feel that they are not up to a decent performance in bed while around 66 percent of females expressed dissatisfaction with their sex life, according to a survey released yesterday.

When is the right time to talk to your children about sex? An increasing number of Chinese parents, most of whom belong to the post-80s generation, choose to pay for a professional answer.

U.S. health officials on Friday approved a new, longer-lasting “morning-after” pill to prevent pregnancy after unprotected sex.

Obese women are likelier to neglect contraception, obese men are more prone to impotence and both are far less sexually active than counterparts of normal weight, a study said on Wednesday.