I’m not asking you to take my word for it. Do with it as you please.

I’ll provide one just to pique your interest.

Despite the presence in cannabis smoke of known carcinogens, toxic gases, and particulates, cannabis smoking does not seem to increase risk of chronic obstructive pulmonary disease (COPD) or airway cancers. In fact, there is even a suggestion that at low doses, cannabis smoking may be protective for both conditions.

www.atsjournals.org/doi/…/AnnalsATS.201302-034ED#….