Therefore, diacetyl is by no means the only threat, even if it isn’t the only one.
It is impossible to establish with certainty that diacetyl is the cause of the illness in any particular instance because vapers’ lungs are exposed to so many different substances.
However, that doesn’t change the known dangers of breathing it in,” he adds. “Even if diacetyl isn’t the only offender,
Popcorn lung and other respiratory disorders may become more likely as a result of repeated exposure to various chemicals and their byproducts.”
