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Bronchiolitis obliterans (BO), also known as obliterative bronchiolitis, constrictive bronchiolitis and popcorn lung, is a disease that results in obstruction of the smallest airways of the lungs (bronchioles) due to inflammation. [1] [6] Symptoms include a dry cough, shortness of breath, wheezing and feeling tired. [1]
Image: Getty In analyzing 51 different flavored e-cigarettes, author of the study Joseph Allen and his team found at least one of three top toxins — diacetyl, acetoin and 2,3-pentanedione — in ...
Diacetyl occurs naturally in alcoholic beverages and some cheeses and is added as a flavoring to some foods to impart its buttery flavor. Chronic inhalation exposure to diacetyl fumes is a causative agent of the lung disease bronchiolitis obliterans, commonly known as "popcorn lung".
Instead, his case aligned more with an injury called popcorn lung, an ailment most commonly seen in factory workers of microwave popcorn plants more than 20 years ago. [20] On 27 September 2019, the first confirmed case of a vaping-related lung illness was announced in Canada. [30]
Bronchiolitis obliterans, or “popcorn lung,” is a condition where the smallest pathways in the lungs become inflamed, resulting in frequent coughing and shortness of breath.
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The lung disease bronchiolitis obliterans is attributed to prolonged exposure to diacetyl, e.g. in an industrial setting. [2] [3] Workers in several factories that manufacture artificial butter flavoring have been diagnosed with bronchiolitis obliterans, a rare and serious disease of the lungs. [2]
Chemical exposure, most notably to diacetyl [10] Vaping: On October 17, 2019, the American Journal of Clinical Pathology reported that lung biopsies from patients with vaping-associated pulmonary illness show acute lung injury patterns, including organizing pneumonia. [11] Ionizing radiations [12] [13] Inflammatory diseases. Systemic lupus