>In particular I expect to see studies demonstrate a link between marijuana smoking and lung cancer, followed by years of denial by marijuana producers and smok

>In particular I expect to see studies demonstrate a link between marijuana smoking and lung cancer, followed by years of denial by marijuana producers and smokers, similar to what happened with cigarettes. Perhaps you should examine some of the extensive studies that have already been done, so you could base your beliefs on scientific evidence instead of reefer-madness-based conjecture. https://www.atsjournals.org/doi/abs/10.1513/AnnalsATS.201212-127FR#.V6TRWEuLTIW https://www.atsjournals.org/doi/abs/10.1513/AnnalsATS.201212...