If you've ever been called a slut or a slag, or been scared of being called one, then you know what it feels like to experience the double standards surrounding promiscuity. We've all grown up ...

is a popular book about sex and human nature, written by PT blogger Chris Ryan and Cacilda Jethá. Some other PT bloggers seem to be huge fans of the book (for instance, see this recent post by Nadja ...

“Promiscuous” is a term that is almost always used when speaking about a woman; it is most often pejorative. It refers to a woman—usually a young woman—who has sex frequently and casually. This ...

A little known sexually transmitted infection can boost the survival of patients infected with HIV—a more dangerous virus, researchers say. GB virus C (GBV-C) is the only known case of a potentially ...