There are two types of herpes simplex virus, HSV-1 and HSV-2 (and it's possible to be infected by both at the same time). HSV-1 most commonly spreads through oral contact such as kissing or sharing ...

That cold sore on your lip might be painful and unsightly, but it could also be a harbinger of debilitating brain aging. The oral herpes virus appears to be linked with Alzheimer’s disease ...

A: A cold sore, also referred to as a fever blister or medical term herpes labialis, is a common sore most commonly noted around the mouth or lips due to the herpes simplex virus. Q: What causes a ...