Welcome to Ask Whole9 Canada, where Summer Innanen and Sarah Ramsden answer all of your health and nutrition questions. In this week’s episode, Emily asks, "Cold sores are ruining my love life. Help!" Cold sores, also known as fever blisters, are caused by the herpes simplex virus (HV-1). Once you have the virus, it remains in your body permanently and can pop up every now and again. Cold sores are very contagious, so if you don't currently get them, you should be protective of your lips … [Read more...]