RIZN Color Box Strawberry Watermelon Rechargeable Vape Nicotine e cigarettes are more effective in helping people quit smoking than conventional nicotine replacement therapy (NRT), according to the latest review of 88 studies (from US, UK, Italy) and more than 27,235 participants : In depth Review of V2 Cigs E Cigs 'Less Harmful' Than Conventional Cigarettes: Review E cigarette aerosol tied to whole body toxicity in 20 year review < Hospital < Article KBR