The little blue pill that has transformed the lives of many men may be beneficial for some women on antidepressants who experience sexual dysfunction, a small trial has shown.

Also known as sildenafil, the drug is often prescribed to help men's erectile dysfunction, but an eight-week study shows it helps women who experience sexual problems from antidepressant use

A gene which apparently evolved to protect people of African descent from malaria increases their chances of getting HIV infection by 40 percent, a new study finds.

The discovery not only marks the first genetic risk factor for HIV found only in people of African descent but also debunks the myth that people in sub-Saharan Africa were more likely to get HIV because of differences in their sexual behaviour, researchers added

A transgender man who surprised the world in April by revealing he was pregnant gave birth Sunday to a baby girl at a hospital here.

Thomas Beatie, 34, who switched gender from woman to man, delivered his baby at the St. Charles Medical Center. He gave birth naturally. The father has already left the hospital with his baby, who was conceived through artificial insemination using sperm from a donor

Anti-retroviral drug therapy has slashed AIDS death rates to match those of uninfected people in the first five years after the virus attacks the body, new British research has found.

Since the introduction of anti-retroviral drugs such as Bristol-Myers Squibb Co's. Sustiva in 1996, the five-year, post-diagnosis survival for those infected sexually is now about equal to that of the general population

The number of HIV cases among young gay men has increased in a big way, the Centers for Disease Control (CDC) reported Thursday. The CDC stated that from 2001 to 2006, the largest transmission category for HIV in the U.S. was in men who had sex with men.

Gay boys and men aged between 13 and 24-years old saw the biggest increase in HIV cases, about 10 times higher than in the homosexual community overall, where the number of new infections is going up about 1.5 percent a year. homosexual men were the only risk group in which the number of new infections rose annually from 2001 through 2006