Frontiers More to Explore: Further Definition of Risk Factors for COPD Differential Gender Difference, Modest Elevation in PM2.5, and e Cigarette Use 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, National Emphysema Foundation E cigarettes and Vaping Just As Bad On Lung Health As Cigarettes The electronic cigarette epidemic Chronic Disease Exclusive E cigarette Use Significantly Associated with COPD RT How Vaping Affects the Body Retractable Display Prevention Resources