PDF) An RCT of acute health effects in COPD patients after passive vape exposure from e cigarettes Cigarettes and vaping are damaging lungs. 85 90% of all COPD cases are directly linked to cigarettes. And COPD is the 3rd leading cause of death. Interventional pulmonologist, Dr. Nina Maouelainin COPD and Vaping: Understanding the Risks and Long Term Effects Recent Studies Link Vaping to Increased Odds of Asthma and COPD Vaping Post