Is Vaping Bad For You? Side Effects, Risks, Nicotine, Marijuana Vapers and Smokers Show Similar Levels of DNA Damage Respiratory Therapy New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking Vaping likely to cause cancer: new findings Vaping and the use of e cigarettes are likely to cause cancer, according to a new study published by the University of New South Wales on 30 March. The study, which brought together Vaping and Your DNA: What You Need to Know E Cigarette Direct