And if anyone says something to make you feel bad about having a cold sore, just tell them to grow up – they’re clearly not someone you want to kiss anytime soon anyway. You’re now ...

Cold sores are painful blisters on the lips that can form unsightly crusts. They are very common and are caused by the herpes simplex virus. The medical name for facial cold sores is herpes labialis.

Cold sores are a lesion that can appear on and around the mouth. While they aren't dangerous, they can be uncomfortable, itchy, and unsightly. Cold sores usually resolve themselves within a few ...

Experts explain what they do, and don’t, recommend. Ask Well Experts explain what they do, and don’t, recommend. Credit...Joyce Lee for The New York Times Supported by By Erica Sweeney Q: I ...

One scientist has spent 30 years studying a virus so ubiquitous that it’s estimated to affect 80% of the global population.

You'd think this would be bad for the virus—that activating the ... in the Proceedings of the National Academy of Sciences. Cold sores are caused primarily by herpes simplex virus 1 (HSV-1 ...

You'd think this would be bad for the virus -- that activating ... Understanding Herpes Simplex Virus-Associated Disease Cold sores are caused primarily by herpes simplex virus 1 (HSV-1), one ...