E Cigarettes: Know the Health Risks Department of Health Vapes '95% safer' than cigarettes messaging backfired An e cigarette is a battery operated device that heats liquid nicotine, flavoring, and other additives to create an aerosol. This JAMA Patient Page describes e cigarettes and the potential health effects of vaping. https: ja.ma 4dbZqrL Analysis suggests e cigarette use may be linked to lower rates of smoking The Negative Impact of E Cigarette Use on Heart Health Latest Cochrane Review finds high certainty evidence that nicotine e cigarettes are more effective than traditional nicotine replacement therapy (NRT) in helping people quit smoking Cochrane