Study: E-cigarettes Contain Chemical Tied to 'Popcorn lung'

Study: E-cigarettes Contain Chemical Tied to 'Popcorn lung'

Study: E-cigarettes Contain Chemical Tied to 'Popcorn lung'

A new Harvard University study has cast doubts about the safety of flavored e-cigarettes, many of which have been found to contain a chemical tied to a respiratory disease commonly known as “popcorn lung.”

Researchers at the Harvard T.H. Chan School of Public Health tested 51 e-cigarette flavors sold by “leading e-cigarette brands.” Of these they found that 39 of the 51 flavors contained diacetyl—a chemical commonly used to add flavorings like butter, caramel, strawberry and butterscotch—that has been linked to bronchiolitis obliterans and other severe respiratory diseases.

The U.S.’s Occupational Safety & Health Administration describes bronchiolitis obliterans as occurring when small airways become inflamed and scarred, resulting in the thickening and narrowing of the airways.

 

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