E cigarettes 'DON'T cause cancer' UKVIA Comment UKVIA E cigarettes may be helping thousands a year to quit smoking, but Stop Smoking Services are still the best option smokefreeuk Cancer Research UK (CRUK) E Cigarettes Increase Risk of Lung and Bladder Cancer More Than Traditional Cigarettes Oncology Nursing Society Smoking rates halve since 1970s in Britain E Cigarette 97% Safer Than Smoking Cancer Research UK SMOKO E Cigarettes