I recently read in a book that the reason why we get coldsores is from a std.... is that true?
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Cold sores
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Cold sores (around the mouth) are cause by HSV-1 (the hepes simplex virus). It's similar to the HSV-2 virus that causes genital herpes, but it's not the same. However, through oral sex, you can get genital herpes in your mouth, and vice-versa, but but the viruses are not as "happy" when they're in the wrong place.