E Cigarette How E Cigarettes Work, Health Risks & Teen Use E Cigarettes & HTPs: Health Risks & Impact Tobacco Atlas 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 All E Cigarettes Emit Harmful Chemicals, but Some Emit More Than Others Berkeley Lab Berkeley Lab News Center Electronic cigarettes drastically reduce exposure to toxic substances from tobacco Prevention Observatory of the Montreal Heart Institute Vaping & Electronic Cigarettes Stokes Citizens for Safe and Healthy Communities