Waking up with a spot on your lip is never a good feeling. Often cold sores or pimples are to blame, though telling the difference isn't always easy. They can look similar on the surface, but their ...

NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. Like acne, a cold sore outbreak can be a frustrating ...

Cold sores are caused by the herpes simplex virus and can be both painful and disruptive. While a poor diet can weaken the immune system and increase susceptibility, certain healthy foods may also ...