ex smoker 32 years of age today use to suffer from cronic lung problems shortness of breath smoked from age 15 onward to age 31 since quitting have been able to enjoy life more I use lots of tube mods in rotation along with genny atomizers carto tanks and small electric 510 stick style the long term effects of e cigs are still yet unknown but the immediate effects are astonishing couldn’t quit with anything before tried patches gum etc e cigs work plain and simple