Question: How do the ingredients in e cigarettes and vaporizers affect respiratory health? Los Angeles ENT Doctors ENT Specialists Top Surgeons Health effects in COPD smokers who switch to electronic cigarettes: a COPD Dove Medical Press What Happens When You Vape? Vaping and COPD: Is it okay or can it cause more problems? Vaping Predicted to Have Notable Impact on Europe's COPD Burden Respiratory Therapy