New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking Have you been thinking about trying vapes or e cigarettes? Think again! Most e cigarettes contain nicotine and other harmful substances. Some products claiming to be nicotine free have been found to contain nicotine. Nicotine Study finds surprising new link between vaping and cancer The Brighter Side of News E cigarettes increase harm to smokers, so should not be promoted as a harm reduction strategy (in 10 slides) Stanton Glantz blog