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Bacterial and fungal toxins found in popular electronic cigarettes

April 24, 2019

Popular electronic cigarette (e-cigarette) products sold in the U.S. were contaminated with bacterial and fungal toxins, according to new research from Harvard T.H. Chan School of Public Health.

The study, which examined 75 popular e-cigarette products–cartridges (single use) and e-liquids (refillable material)–found that 27% contained traces of endotoxin, a microbial agent found on Gram-negative bacteria, and that 81% contained traces of glucan, which is found in the cell walls of most fungi. Exposure to these microbial toxins has been associated with myriad health problems in humans, including asthma, reduced lung function, and inflammation.

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