cold

Overview Cold sores are small, often recurring fever blisters that can appear anywhere around the mouth, and which are caused by the virus herpes simplex 1 (HSV1). Groupings of cold sore blisters are called a cluster. The first outbreak of…

Isn't it amazing how powerful the common cold can be? Bouts of colds and flu can leave you helpless and useless to the world for days or even weeks, why isn't there a reliable cure for this simple illness? The truth is that there are plenty…