A scoping review on e cigarette environmental impacts 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 Alarmist' e cigarette report attacked by tobacco health expert The Independent The Independent Green Smoke E Cigarettes Review PCMag The Health Risks Of E Cigarettes Versus Traditional Cigarettes Henry Ford Health Detroit, MI