Researchers at the University studied groups of people over a span of 4 years who currently, used to, or have never smoked marijuana as part of the analysis. The study concludes that cannabis inhalation, even long-term, is not positively associated with COPD, lung cancer, or irreversible airway damage. Be sure to Follow Cannabis Talk 101 on IG @cannabistalk101 or at www.cannabistalk101.com to read the latest articles & blogs now!