E-cigarettes have the potential to benefit adult smokers who are not pregnant if used as a complete substitute for regular cigarettes and other smoked tobacco products. E-cigarettes are not safe for youth, young adults, pregnant women, or adults who do not currently use tobacco products. Are e-cigarettes less harmful than regular cigarettes? E-cigarette aerosol generally contains fewer toxic chemicals than the deadly mix of 7,000 chemicals in smoke from regular cigarettes. However, e-cigarette aerosol is not harmless. It can contain harmful... read full review »