Pooled prevalence of lifetime (current and former) e cigarette use Download Scientific Diagram Full article: Disposable electronic cigarettes chemical composition and health effects of their use. A systematic review Australian researchers have issued one of the strongest warnings yet about vaping, saying a major review of evidence suggests e cigarettes are likely to cause lung and oral cancer. The review found signs 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 E cigarettes induce toxicological effects that can raise the cancer risk Scientific Reports