e Cigarettes Safety Not Yet Proven CANSA The Cancer Association of South Africa CANSA The Cancer Association of South Africa Health Effects Vaping Information, Solutions & Interventions Toolkit Stanford Medicine FDA Oversight of E Cigarettes Gathers Speed NCI A scientific review has raised fresh concerns about the long term cancer risks of vaping, concluding that e cigarettes are probably carcinogenic, while also acknowledging significant gaps in the evidence. The analysis of reviews How Can Smoking and Vaping Impact Cancer? Urology Care Foundation Vaping can cause cancer, say researchers but still isn't as damaging as smoking cigarettes. More than 5.5 million Britons currently use e cigarettes, which have long been viewed as a safer alternative