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 Now Linked to Cancer? A Recent Study Linking Lung Cancer to Mice Suggests A Possibility Occupational Health & Safety Health effects and known pathology associated with the use of E cigarettes ScienceDirect PET imaging shows greater lung inflammation in e cigarette users than cigarette smokers