Researchers now warn that nicotine based e cigarettes are likely carcinogenic, meaning they have the potential to cause cancer, specifically in the lungs and mouth. Learn more in our weekly news roundup. https: t.co i4xGiCxD0t E cigarettes found to cause change in mouth bacteria which could lead to gum disease or oral cancer Vaping likely to cause lung and oral cancer, Australian researchers find in new review of evidence Vaping The Guardian E Cigs and Oral Health Zak Dental Family Dentistry, Cosmetic Dentistry