Cold sores are generated by stress, sickness, sun exposure and by infection. Herpes simplex virus causes cold sores. The Nemours Foundation advises that although this is an infectious disease so avoid kissing, touching, sharing anything with others...

The British Journal, ‘Sexually Transmitted Infections’, has published a study, the first of it kind, on the Herpes simplex virus infection. The study found that seventy-six percent of Australian adults are exposed to HSV-1. HSV-2,...