Ecigarettes and respiratory health: the latest evidence Miyashita 2020 The Journal of Physiology Wiley Online Library E cigarette or Vaping Use Associated Lung Injury (EVALI) American Lung Association 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, Inhalation Toxicology of Vaping Products and Implications for Pulmonary Health