I am not sure how many people know that April is STD awareness month.   Sexually Transmitted Diseases used to be called Venereal Disease and in recent times they are sometimes called Sexually Transmitted Infections.  But whatever the name, many of these diseases have been around for hundreds of years and some seem here to stay.  And many STD's aren't just a source of great discomfort and inconvenience.  Some carry severe risks such as cervical cancer in women being linked to the Human...