Vaping may raise cancer and heart disease risk, study suggests Medical research The Guardian are e cigarettes unsafe? SiOWfa15: Science in Our World: Certainty and Controversy vaping New River Valley Community Services The really interesting thing we found was that vaping may also encourage people who don't even want to stop smoking, to eventually quit Dr Caitlin Notley University of East Anglia E cigarettes: How they work, risks, and research Use of e cigarettes after quitting smoking increases lung cancer risk Cancerworld Magazine