This article was posted by Sciencedaily by using University of Cambridge as a source for this news. It discusses the history of a sexually transmitted disease called Syphilis. It shows how Syphilis was extremely common in London during the 18th century. It suggests the sexual exploitations of that time period through hiring prostitutes. This article also refers to the treatment of syphilis before the use of prophylaxis. Mercury salivation treatment was used to treat syphilis and also some other STIs.