E cigarettes found to cause change in mouth bacteria which could lead to gum disease or oral cancer The impact of e cigarette exposure on different organ systems: A review of recent evidence and future perspectives ScienceDirect The Dangerous Truth Behind E Cigarettes Advanced DDS The evidence is clear: Young E cigarette users suffer from respiratory symptoms American Lung Association What You Should Know About E cigarettes and EVALI CASAA E cigarettes linked with blood vessel damage National Institutes of Health (NIH)