Diacetyl has been cited as a main cause of popcorn lung. It is a buttery-tasting chemical compound that occurs naturally as a result of fermentation.

Lung.org states that large quantities of diacetyl inhalation can harm the bronchioles and the small airways within the lungs. The bronchioles become thicker, narrowing the passages. This could make breathing more difficult.

What are the symptoms of POPCORN lung?

Coughing, wheezing, and shortness of breath are the symptoms of popcorn lung.

The National Center for Biotechnology Information has found that diacetyl exposure can damage the airways. The scientific community supports the idea that diacetyl inhalation, especially at high levels, can cause lung damage. According to a study conducted by the National Center for Biotechnology Information in 2016, “this diagnosis is documented for a variety exposures including fumes and smoke from burn pits as well as environmental sulfur gas.”

Does vaporizing cause popcorn lung?


This is how we connect it to the vape market. According to a study by the Department of Environmental Toxicology at UC Davis, combustible cigarettes are diacetyl.

Popcorn lung is not a condition that occurs in those who smoke traditional cigarettes. These cigarettes contain more diacetyl compared to e-liquids.

This chemical has not been linked to the disease popcorn lung, even if the liquid contains it. According to a 2014 study in Critical Reviews in Toxicology, smoking has not been proven to be a factor in bronchiolitis. The people who developed the disease in 2000 had been exposed to large quantities of diacetyl in a workplace or factory. They weren’t smoking.

The obliterative lung disease, also known as popcorn lung, is not one of the deadly effects that smoking combustible tobacco cigarettes can have. Popcorn lung is a myth. Vapers and cigarette smokers have not yet been affected.

Cancer Research UK stated that there is no evidence to suggest that e-cigarettes can cause popcorn lung. No cases of popcorn lung have been reported among people who use electronic cigarettes.

Diacetyl was found in various e-liquid flavors during tests done previously. Most e-liquids do not contain this ingredient.


What is popcorn lung, and what causes it? When was popcorn lung discovered? This rare disease has a formal name of obliterative Bronchitis.

Eight workers at a microwave popcorn plant reported lung problems in 2000. The CDC stated that all eight workers had a respiratory disease similar to bronchiolitis obliterans, with symptoms such as coughing and dyspnea when exerted. They had worked in the same popcorn plant. Diacetyl was identified as the culprit of this respiratory problem. It is a major ingredient in butter popcorn flavoring. This ingredient was airborne in the factory, and workers were inhaling it for a long time. In the vaping world, it has become infamous because, in the past, some brands used it as a flavoring.

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