Vaping marijuana associated with more symptoms of lung damage than vaping or smoking nicotine

Adolescents who vape cannabis are at greater risk for respiratory symptoms indicative of lung injury than teens who smoke cigarettes or marijuana, or vape nicotine, a new University of Michigan study suggests.

The result challenges conventional wisdom about vaping nicotine, says the study’s principal investigator, Carol Boyd, the Deborah J. Oakley Collegiate Professor Emerita at the U-M School of Nursing.

Boyd, who also co-directs U-M’s Center for Drugs, Alcohol, Smoking and Health, stressed that the findings do not mean that vaping nicotine or smoking cigarettes or marijuana are not bad for you. These products also produce symptoms of lung injury, but not to the same degree as vaping marijuana, she said.

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