Research shows vaping is far less harmful than smoking E cigarettes are likely to cause cancer, including in the lungs and mouth, according to a sweeping review of scientific evidence that challenges their positioning as a safer alternative to smoking. There is How Switching to E Cigarettes After Smoking Cessation Affects Lung Cancer Risk Vaping Facts Tobacco Free Amarillo Comparing the cancer potencies of emissions from vapourised nicotine products including e cigarettes with those of tobacco smoke Tobacco Control To achieve the Biden Cancer Moonshot, e cigarettes must be widely approved Salon.com