Study: Cannabis Inhalation Not Associated With COPD, Other Tobacco-Related Harms

"The long-term respiratory effects of cannabis differ from traditional smoking," authors concluded. "[C]annabis smoking does not appear to be carcinogenic."

UNITED KINGDOM: Cannabis smoke exposure, even long-term, is not positively associated with chronic obstructive pulmonary disease (COPD), lung cancer, or irreversible airway damage, according to a literature review published in the journal Breathe. British researchers reviewed nearly 20 observational studies assessing cannabis inhalation and lung health, involving over 25,000 subjects. Investigators reported that the available literature fails to support Read the full article…