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This slows down healing and weakens the bodys natural defense mechanisms against infection

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In fact, Das said, studies are finding that around 30% of regular cannabis users have what is known as cannabis use disorder

(10 July 2006), "The Association Between Marijuana Smoking and Lung Cancer", Archives of Internal Medicine , 166 (13): 13591367, doi:10.1001/archinte.166.13.1359, PMID 16832000, S2CID 10117687 Chemicals known to the state to cause cancer or reproductive toxicity (PDF), ca.gov, 20 July 2012, archived from the original (PDF) on 20 January 2013, retrieved 8 January 2013 Evidence on the carcinogenicity of marijuana smoke (PDF), Reproductive and Cancer Hazard Assessment Branch Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, archived (PDF) from the original on 24 July 2012, retrieved 23 June 2012 The impact of cannabis on your lungs , British Lung Association, June 2012, archived from the original on 27 September 2013, retrieved 9 January 2013 "Medical consequences of marijuana use: a review of current literature"

Kari, Grant, and Tori test the claims of several anti-gravity devices