Dynamic Chemistry and Toxicity of E Cigarette Aerosols and Their Product Waste Chemical Research in Toxicology The Dynamics of Exhaled Aerosol Following the Usage of Heated Tobacco Product, Electronic Cigarette, and Conventional Cigarette Aerosol and Air Quality Research Impact of e cigarettes and flavoured vapes on : Current Opinion in Pulmonary Medicine Common e cigarette chemical flavorings may impair lung function Harvard T.H. Chan School of Public Health While vaping is not risk free, it is less harmful than tobacco Our World in Data