If you notice this on your lips, it’s a sign that…
Cold sores: what are the causes, how do they appear and how to control them? Cold sores, sometimes called fever blisters, are a common skin condition caused by the herpes simplex virus type 1 (HSV-1). Generally harmless, they are contagious, often painful, and tend to recur after the initial infection. This is because the virus … Read more