Vaping: Smoking research shows e cigarettes could be linked to lung cancer risk New research shows e cigarette use up sharply among younger adults in US during EVALI outbreak and COVID 19 pandemic 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 E Cigarettes and Associated Health Risks: An Update on Cancer Potential Lung cancer risks persist with e cigarette use after quitting tobacco smoking Evidence update on the cancer risk of vaping e cigarettes: A systematic review