A woman smokes an electronic cigarette in Paris on February 3, 2026. Photo by Julie SEBADELHA / AFP via Getty Images
Australian cancer researchers have concluded that nicotine-based e-cigarettes are likely to cause lung and oral cancer, in what they describe as the most definitive assessment of vaping’s carcinogenic potential to date.
The study, published in the peer-reviewed journal Carcinogenesis and led by the University of New South Wales (UNSW), examined a massive longitudinal span of evidence from 2017 to 2025.
