The Truth About What Vaping Is Doing to Your Body American Lung Association Health effects in COPD smokers who switch to electronic cigarettes: a COPD Dove Medical Press COPD & Vaping Concerns YouTube Top 5 favorite pro vaping pro harm reduction studies. There are tens of thousands of them, but there are my five favorite most compelling studies done on the topic of nicotine vaping for tobacco What COPD Patients Should Know About Vaping and E Cigarettes LPT Medical A new study published in Nicotine & Tobacco Research found that those using e cigarettes alone were more than twice as likely to develop COPD than people who didn't use any tobacco products,