Where There's Vapor, Is There Fire? We Need Evidence on E Cigarettes RAND New study shows common vape ingredients deform fetal mouse skulls. Even if they are nicotine free. Researchers at The Ohio State University, led by anatomist James Cray, exposed pregnant mice to the base Sex specific alterations in pulmonary metabolic, xenobiotic and lipid signalling pathways after e cigarette aerosol exposure during adolescence in mice BMJ Open Respiratory Research Frontiers Aerosolized nicotine from e cigarettes alters gene expression, increases lung protein permeability, and impairs viral clearance in murine influenza infection