Can Electronic Cigarettes Cause Cancer? American Council on Science and Health 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 Can Smoking and Vaping Impact Cancer? Urology Care Foundation Supporting Tobacco Cessation on World Lung Cancer Dayand Beyond American Association for Cancer Research (AACR) Researchers now warn that nicotine based e cigarettes are likely carcinogenic, meaning they have the potential to cause cancer, specifically in the lungs and mouth. Learn more in our weekly news roundup. https: t.co i4xGiCxD0t Although research on cancer risks associated with vaping is still limited, a 2025 systematic review found substantial evidence that e cigarette exposure is associated with biomarkers reflective of cancer disease risk. This includes