Health experts warn of vaping dangers and link to COPD In the midst of the pandemic, smoking vaping cessation is even more important. But it is also important to know that not all patients who develop COPD have a history of smoking. Comparative study of lung toxicity of E cigarette ingredients to investigate E cigarette or vaping product associated lung injury ScienceDirect Question: How do the ingredients in e cigarettes and vaporizers affect respiratory health? Los Angeles ENT Doctors ENT Specialists Top Surgeons