Evidence update on the cancer risk of vaping e cigarettes: A systematic review E cigarette and heated tobacco products use and sales in Viet Nam have declined, but illegal sales and hidden use remain a challenge. Using these products is illegal and can lead to fines 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 Archived Commentary Facts And Figures: E Cigarette Risk Perception And The Us Evali Outbreak Global Action to End Smoking Do E Cigarettes Cause Cancer?