Chronic electronic cigarette exposure in mice induces features of COPD in a nicotine dependent manner Thorax Exposure to third hand e cigarette vapour impairs cognitive function in young mice ScienceDirect Differential Toxicity of Electronic Cigarette Aerosols Generated from Different Generations of Devices In Vitro and In Vivo Environment & Health E cigarette aerosol exposure can cause craniofacial defects in Xenopus laevis embryos and mammalian neural crest cells PLOS One Frontiers Aerosolized nicotine from e cigarettes alters gene expression, increases lung protein permeability, and impairs viral clearance in murine influenza infection Joseph Fraga Electronic Cigarettes