Lung cancer risks persist with e cigarette use after quitting tobacco smoking Anti smoking adverts by Cancer Research see charity in row over barmy Brussels rules that would BAN them Cancer Research UK: No Popcorn Lung from E Cigarettes Use of e cigarettes after quitting smoking increases lung cancer risk Cancerworld Magazine Cancer Research UK fears a disposables ban may alter perception of vaping harm ECigIntelligence E Cigarette Research, Studies & Reports (Updated 2019)