Protective cells in the lungs of ex smokers could explain why quitting smoking reduces the risk of developing lung cancer later in life. Stopping smoking completely is the best thing you can do E cigarettes and cancer: new report faces sharp criticism Vejpkollen.se E cigarettes may be helping thousands a year to quit smoking, but Stop Smoking Services are still the best option E cigarettes safer than smoking says long term study UCL News UCL University College London New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking