New Report: E Cigarettes in Campaign for Tobacco Free Kids That big claim that vaping leads to smoking may be based on insubstantial evidence Public Health Consequences of E Cigarettes Evidence strengthens that vaping is effective for stopping smoking but not reaching its full potential with adult smokers King's College London Existing debates and controversies with e cigarettes as a cause of Download Scientific Diagram No scientific evidence that E Cigarettes are less harmful: Health Experts, ETHealthworld