Smoking vs vaping what are the key differences? Evapo 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, 25% of grade 12 students now #vape in the US. Even with a scarcity of data, we know vaping causes #airway injury. We are heading towards a vaping related #COPD and #lungcancer epidemic Study discovers new way vaping could impact your body as warning is issued