Zombie cigarettes" vaping pen cartridges loaded with the general anaesthetic etomidate have been growing in popularity in Asia. Their increasing prevalence in Japan has led to calls for a crackdown, Cigarette lectronique et cancer : et si l'alerte japonaise n'tait qu'un ptard mouill ? E cigarettes can emit formaldehyde at high levels under conditions that have been reported to be non averse to users Scientific Reports Vaping is definitely a cancer risk' Emissions from Electronic Cigarettes: Key Parameters Affecting the Release of Harmful Chemicals Environmental Science & Technology Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk