Many more people quit smoking with e-cigs. These are people who would otherwise contract lung cancer, COPD, or emphysema. http://www.cdc.gov/nchs/data/databrie

Many more people quit smoking with e-cigs. These are people who would otherwise contract lung cancer, COPD, or emphysema. http://www.cdc.gov/nchs/data/databriefs/db217.pdf http://www.cdc.gov/nchs/data/databriefs/db217.pdf "About one in six current cigarette smokers (15.9%) and nearly one in four recent former cigarette smokers (22.0%) currently used e-cigarettes, compared with 2.3% of long-term former cigarette smokers and 0.4% of adults who had never smoked cigarettes"