What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Vaping exposes user to harmful levels of particulate matter, study suggests CUNY Graduate School of Public Health & Health Policy Dangers of Vaping Poster Anti Vaping Education Chart AnatomyStuff Some reports state that these new, flavored smoking devices are less harmful than tobacco cigarettes but how safe is vaping? In this third part of a four part series, China Daily examines the