UofL study shows nicotine in e cigarettes may not be harmless, as some claim UofL News The Health Risks Of E Cigarettes Versus Traditional Cigarettes Henry Ford Health Detroit, MI Heated Tobacco Products, Cigarettes, and E Cigarettes: What's the Difference PMI Science Side effects of vaping without nicotine 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 Don't be foolede cigs or vapes may be less harmful than cigarettes, but less harmful doesn't mean safe. Vapes can contain harmful substances including nicotine, heavy metals like lead, volatile organic compounds and