Do E Cigarettes Cause Lung Cancer? Dr James Wilson E cigarette smoke caused lung cancer in mice ecancer Truth About E Cigarettes and Vaping: Are They Safer Than Smoking for Lung Cancer Risk? Have you been thinking about trying e cigarettes? Think again! Most e cigarettes contain #nicotine and harmful emissions. Some products claiming to be nicotine free have been found to contain nicotine. Nicotine is highly addictive The evidence is clear: Young E cigarette users suffer from respiratory symptoms American Lung Association