About two-thirds of the global population under age 50 are affected by the highly contagious HSV-1 virus, which causes cold sores, according to a study by the University of Cambridge. They are more prevalent among young people, and various factors, such as stress, fatigue, and hormonal changes, can trigger them. Despite their ubiquitousness, 70% of people who have experienced a cold sore say it affects their confidence. The stigma comes from a lack of education and misinformation – “everyone assumes you did some sexual act” to get one, Morrison said. Like it did…
