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 Vaping and smoking together increases lung cancer risk fourfold E cigarettes and cancer: new report faces sharp criticism Vejpkollen.se Study of smoking cancer patients fuels e cigarette debate Fox News E cigarettes may be helping thousands a year to quit smoking, but Stop Smoking Services are still the best option Yorkshire Cancer Research statement on the use of vaping products by children and young people Yorkshire Cancer Research