What are e cigarettes and the controversies that surround them? On Medicine 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 V2 Cigs Kit Reviews and Full Ecig Comparison Alarmist' e cigarette report attacked by tobacco health expert The Independent The Independent A scoping review on e cigarette environmental impacts Green Smoke E Cigarettes Review PCMag