Add Yahoo as a preferred source to see more of our stories on Google. Cold sores occur around the mouth area and resemble blisters or a cluster of blisters. Carlos Ciudad Photography/Getty Images Cold ...

Stress is thought to boost the activity of leukocytes, immune cells linked to inflammation throughout the body, including in ...

Sometimes people will have triggers that are personal to them, says Adigun. “For example, spicy foods may be a trigger for someone. But more than likely spicy foods may be just for them, whereas we ...

When you don’t feel well, you want a quick fix. You might be familiar with treatments for allergies or the common cold. But what about cold sores? These fluid-filled blisters commonly found on or ...

First, you’re not alone. Up to 80% of American adults have the herpes simplex virus (HSV-1), which can cause cold sores (also known as fever blisters), according to Johns Hopkins. The viral infection ...

A mysterious bump near your lips can be unsettling. Is it a harmless pimple or something more serious like a cold sore? Distinguishing between the two is crucial for effective treatment and prevention ...

Add Yahoo as a preferred source to see more of our stories on Google. Woman with a cold sore When we say "cold sore," you probably know what we're talking about: the annoying red bump on your lip that ...

If you're among the 50 percent of Americans who get cold sores — otherwise known as fever blisters — then you know just how annoying they can be. Those pesky, and often incredibly painful, sores ...

Cold sores occur on the outside of the mouth and are caused by the herpes simplex virus. Canker sores are blisters inside the mouth that can occur due to injury, nutritional deficiencies, and ...