Home Cannabis News Marijuana smokers would be at more threat for emphysema than cigarette smokers: Peep Marijuana smokers would be at more threat for emphysema than cigarette smokers: Peep Ricardo Peterson Dec 15, 2022 0 Comments Tweet on Twitter Share on Facebook Pinterest Researchers from Ottawa Sanatorium Usual studied approximately 150 lung scans from marijuana smokers, tobacco-absolute most realistic smokers and nonsmokers. #abcnews #marijuana #cigarette canabis canada cigarette copd General Hospital lung marijuana Ottawa p_cmsid=2494279 p_vid=news-93337309 scans smokers study would