Chronic Inhalation of E cigarette Vapor Negatively Affects Lungs Respiratory Therapy Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Older users of e cigarettes at greater risk of respiratory illness, study suggests CUNY Graduate School of Public Health & Health Policy Georgia Probes Lung Illnesses Possibly Linked To Vaping Amid National Concern WABE Health effects and known pathology associated with the use of E cigarettes ScienceDirect