Frontiers Inhalation of nicotine containing electronic cigarette vapor exacerbates the features of COPD by inducing ferroptosis in ENaC overexpressing mice Elevated risk of developing COPD with e cigarette use: Study Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy Vaping can harm your health! E cigarettes, or vapes, contain many toxic and cancer causing chemicals that have negative impacts on the body and brain. Do you know the health risks of vaping nicotine?