Cannabis Smoke Exposure “Distinctly Different” From Tobacco

Cannabis smoke is “distinctly different from tobacco” and its exposure is not linked to an elevated risk of either lung cancer or chronic obstructive pulmonary disease (COPD), according to a literature review published in the journal Medical Clinics of North America.

Researchers affiliated with the University of Arkansas for Medical Sciences reviewed data assessing the potential impact of cannabis smoke exposure on pulmonary health. They reported that marijuana smoking is associated with an increased risk of bronchitis, but that it is likely not responsible for lung disease, small airway injury, COPD, or lung cancer.
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