About E Cigarettes (Vapes) Smoking and Tobacco Use CDC E Cigarettes as Effective as Nicotine Patches in Smoking Cessation TIME.com What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Some reports state that these new, flavored smoking devices are less harmful than tobacco cigarettes but how safe is vaping? In this third part of a four part series, China Daily examines the E Cigarettes and Vaping PPAC Central