Emerging medical research continues to examine the respiratory risks associated with flavored e cigarettes, including concerns about bronchiolitis obliteransoften referred to as popcorn lung. The condition involves inflammation and scarring of the 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 Immunological Effects of Electronic Cigarette Use: A Review of Current Evidence Clinical Reviews in Allergy & Immunology Springer Nature Link Many vape flavouring chemicals trigger inflammation Juta MedicalBrief