E cigarettes are likely to cause cancer, including in the lungs and mouth, according to a sweeping review of scientific evidence that challenges their positioning as a safer alternative to smoking. There is SUO 2024: E cigarette Use and the Risk of Bladder Cancer The research looked at the chemical composition of "vape smoke" and assessed its cancer risk using data from published animal studies. Read more E cigarettes: 'cancer risk close to zero' Bhekisisa New research suggests that vapes are likely to cause oral and lung cancer. Read about the study via the link in the comments.