Hidden toxins in e cigarette fluids may harm lung cells UCR News UC Riverside Thirdhand Vapor from E cigarettes Damages the Lungs of Mice Thirdhand Smoke Resource Center E cigarette vapor linked to cancer in mice National Institutes of Health (NIH) E Cigarettes and Vaping OHSU Taking a Science driven Approach to Address the Vaping Threat NHLBI, NIH Maine doctors, health officials seeing devastating effects of vaping related illnesses