Experts challenge cancer-risk claims in e-cigarette review
Reaction to a Carcinogenesis paper on the carcinogenicity of e-cigarettes drew divided expert opinion. Some scientists say the review wrongly treats any detected trace as cancer-causing and note nicotine itself is not a carcinogen, stressing that vaping exposes far fewer tobacco-related carcinogens than smoking. Others criticize its lack of systematic methodology, opaque data handling, and selective citing, arguing it does not prove vaping causes cancer or quantify risk. Overall, experts agree vaping involves harm but remains a less harmful alternative to smoking for those who switch, and there is no robust evidence that vaping equals the cancer risk of combustion cigarettes.
