Smoking vs vaping what are the key differences? Evapo E cigarettes potentially harmful: PET imaging shows greater lung inflammation in e cigarette users than cigarette smokers EurekAlert! Don't be foolede cigs or vapes may be less harmful than cigarettes, but less harmful doesn't mean safe. Vapes can contain harmful substances including nicotine, heavy metals like lead, volatile organic compounds and Bureaux de tabac, presse ou journaux et magasins de cigarettes electroniques Dieue sur Meuse Micro Vap Tupperware Arts de la table