Is It Just Me or Are We Seeing More Cannabis Hyperemesis?

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Legalization of cannabis in Ontario was not associated with an increase in ED visits for cannabis hyperemesis syndrome (CHS); however, after legislation passed allowing commercialization of cannabis, there was a large increase in visits for CHS.

Changes in Emergency Department Visits for Cannabis Hyperemesis Syndrome Following Recreational Cannabis Legalization and Subsequent Commercialization in Ontario, Canada. JAMA Netw Open. 2022 Sep 16. Doi:10.1001/jamanetworkopen.2022.31937

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