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 Vaping Lead: Are Vapes Reversing Gains in Lead Safety? Pure Earth Do E Cigarettes Cause Cancer? Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk DID YOU KNOW? While some may think vaping is a safer alternative, the reality is that e cigarette aerosol can include all or more of the harmful substances in cigarettes. Understanding the facts Does Vaping Cause Lung Cancer? What We Know (and Still Don't)