Vaping is NOT Harmless. Know the long term effects before it's too late! Most e cigarette liquids contain high levels of nicotine, which is highly addictive. Despite the legal age being 21, vaping devices First comparison of dangers of tobacco cigarettes, e cigarettes and waterpipes Toxicity, Chemistry, and Public Health Relevance of Emerging Nicotine Analog Vapes, Pods, and Pouches Chemical Research in Toxicology Health impacts of electronic cigarettes ANU National Centre for Epidemiology and Population Health