Exposure to e cigarette aerosol over two months induces accumulation of neurotoxic metals and alteration of essential metals in mouse brain ScienceDirect Chronic electronic cigarette exposure in mice induces features of COPD in a nicotine dependent manner Thorax Frontiers Chronic E Cigarette Aerosol Inhalation Alters the Immune State of the Lungs and Increases ACE2 Expression, Raising Concern for Altered Response and Susceptibility to SARS CoV 2 In utero exposure to electronic cigarette carriers alters craniofacial morphology