Viagra (sildenafil), a prescription medication that enhances the quality of erection, was first introduced onto the U.S. market by Pfizer in 1998, becoming what wags described as the first purely recreational drug to gain approval from the FDA. The name «Viagra» is a portmanteau synthesized from «Niagara» and «vigorous», intended…

A cream made from the same drug used in Viagra could work wonders for women’s libidos, a study shows. Early results from a clinical trial in the US show women with sexual arousal disorder who rubbed the cream on their genitals had greater desire, heightened pleasure and better orgasms. The…