Does Vaping Cause Lung Cancer? What We Know (and Still Don't) The Science Comparing the cancer potencies of emissions from vapourised nicotine products including e cigarettes with those of tobacco smoke Tobacco Control Promovap Boutique en ligne de cigarettes lectroniques et e liquides A new review by researchers at the University of New South Wales has raised fresh concerns about the safety of vaping, linking e cigarettes to early signs associated with lung and oral cancer. ,