For the study, researchers from The Lundquist Institute in Torrance, Calif., and the University of Rochester (N.Y.) exposed mice to e-cigarette aerosols containing propylene glycol — a common carrier fluid for vaping devices — with or without nicotine for two hours a day.
Researchers detected lung damage in the mice after three days. Lung damage occurred when mice were exposed to both types of e-cigarette aerosols.
“Our work provides unequivocal evidence that vaping ‘juices’ even without flavors or nicotine are harmful to lungs,” study author Virender K. Rehan, MD, an investigator at The Lindquist Institute, said in a news release. “In other words, any form of vaping is not safe.”
Researchers also found female mice had higher inflammatory responses to vaping exposure, suggesting that vaping may cause worse health effects in women.
To view the full study, click here.
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