Tobacco, E Cigarettes, and Vaping Oncology Nursing Society Comparing the cancer potencies of emissions from vapourised nicotine products including e cigarettes with those of tobacco smoke Tobacco Control Research so far shows that legal e cigarettes are far less harmful than smoking, and can be an effective way of helping people who smoke to quit. However, there isn't enough research yet Yorkshire Cancer Research statement on the use of vaping products by children and young people Yorkshire Cancer Research