Asthma, E cigs and Vaping: what you need to know Allergy Asthma Care and Prevention Center Know the Risks: Tobacco Smoke, Vaping and Asthma The Impact of E Cigarettes and Asthma: What You Need to Know Does Vaping Cause Lung Cancer? What We Know (and Still Don't) Vaping: 'Emerging data suggests links to chronic lung disease and asthma', warns doctor Express.co.uk What Does Vaping Do to Your Lungs? Johns Hopkins Medicine