FACT: Most e cigarette users also smoke cigarettes, a pattern known as dual use. This means the tobacco industry isn't helping people quit; it's sustaining addiction through another product. While the industry claims The Truth About E Cigarettes: What Parents, Teens & the Public Should Know Pine Rest Newsroom What Is Vaping? Gear Diary E cigarettes might harm lung tissue much like regular cigarettes do whether they contain nicotine or not a new study says.