... cancerous substances,no ashtrays,no horrible smells GREEN CIGARETTE,QUIT SMOKING PRODUCT1.No burning,no tar,no cancerous substances,no ... no horrible smells ,no air polluting (no CO2)2.All of pleasures of smoking without all the problems : 1)no light,no burning ... teeth 5)the use of health electronic cigarette is harmless for people around you:No harmful passive smoking 6)Health electronic cigarette ...