E cigarette use associated with increased risk of developing COPD, chronic bronchitis, emphysema and asthma. Thoracic and Sleep Group Queensland Young E Cigarette Users Develop Wheezing, Other Respiratory Symptoms SPH Electronic Cigarettes and Vaping in Allergic and Asthmatic Disease Immunology and Allergy Clinics The Impact of E Cigarettes on the Lung Providers AmeriHealth Caritas Pennsylvania Asthma, E cigs and Vaping: what you need to know Allergy Asthma Care and Prevention Center E cigarette disparities: Who are the targets? ScienceDirect