More Americans than ever before are benefiting from lifesaving HIV treatment. But anti-HIV drugs might not be helping as many people as previously believed.

If you've just been diagnosed with HIV, would you want to wait to start treatment until the virus begins to affect your body? That's been the standard procedure for years.

The human papillomavirus (HPV) causes a number of malignancies, including head and neck and cervical cancers. Oddly enough, being infected with the virus may help those living with oral cancer.

For decades, AIDS has been one of the world's deadliest epidemics. But a hard fought battle against the virus is yielding to progress, and resulting in fewer deaths.

Do you have multiple sex partners? Or are you at risk for other sexually transmitted diseases (STD)? It’s important to seek treatment if you have gonorrhea immediately.

In 2007, Australia began including the human papillomavirus (HPV) vaccination for girls in its National Immunization Program. Now, it has expanded the program to include boys.

You've been told to floss at least once a day to keep your gums healthy. Keeping gum disease and inflammation out of your mouth could do more than improve your smile.

One of the benefits of immunization is that a large enough population of vaccinated individuals can often provide protection even for those not vaccinated in the community.

At the beginning of the AIDS epidemic, HIV was universally a man's disease - spread among men in the gay community. Today, women constitute half of the world's infections. Why?

Human papillomavirus (HPV) is probably most notorious for causing cervical cancer. The list of cancers associated with HPV has grown recently, and a new study may add two more cancer types to the list.