Scoping Review and Meta-Analysis Suggests that Cannabis Use May Reduce Cancer Risk in the United States Thomas M. Clark Cannabis and Cannabinoid Research, 2021, Volume 6, Number 5, 413-434. Doi : 10.1089/can.2019.0095   Abstract Introduction:Cannabis smoke contains carcinogens similar to tobacco, in addition to compounds with antitumor activity. Cannabis use reduces the risk of obesity and cannabinoids inhibit chronic inflammation, known causes of cancer. The net effect of Cannabis use on cancer risk is not known. Objective: To examine the association between Cannabis use and cancer risk in the United States. Methods: Identify and analyze published data on cancer risk in Cannabis users. Results: A total of 55 data [...]