New medical research is raising concerns about possible links between vaping and bronchiolitis obliterans also known as popcorn lung, a rare and irreversible lung disease. Health experts say more long term Comparison impact of cigarettes and e cigs as lung cancer risk inductor: a narrative review Public Health warns King County residents about severe lung disease associated with e cigarette and use of THC products PUBLIC HEALTH INSIDER Vape Pen Lawsuit Over EVALI, Lung Damage, and Addiction Prospective follow up of New York City residents with e cigarette, or vaping product use associated lung injury20202021 PLOS One