Popcorn lung: What is it, and who is at risk? Harvard Health E Cigarettes Vaping with Juul & Other Electronic Cigarettes E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine Health experts are sounding the alarm about a serious condition linked to vaping, known as "popcorn lung" or bronchiolitis obliterans. This irreversible lung disease is caused by harmful chemicals, like diacetyl, found Know the risks of vaping for kids, teens, young adults Sanford Health News