Is Vaping Better Than Smoking? American Heart Association Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Vaping may raise cancer and heart disease risk, study suggests Medical research The Guardian E cigarette users trying to quit smoking should vape every day, studies suggest Smoking The Guardian FDA OKs First Vaping Products as Smoking Cessation Aids RT Vaping's Hidden Dangers: New Study Links E Cigarettes to DNA Changes