Vaping and COPD: Is it okay or can it cause more problems? E Cigarettes And Copd Vaping is not harmless. A new study from Johns Hopkins Medicine reveals Are E Cigarettes a Safe Alternative to Smoking? Using Airway Cell Cultures to Assess Early Indicators of COPD Progression Inquiries Journal 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,