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 Breast Cancer & E Cigarettes: Is Vaping a Safer Alternative to Smoking? Maurer Foundation Give It Up: Cutting back helps, but even a cigarette or two a day carries risks Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology Evidence update on the cancer risk of vaping e cigarettes: A systematic review