Investigators concluded, “[M]arijuana was by far the most commonly used (illicit) drug, but individuals who used marijuana had a low prevalence of drug-related ED visits.”
A 2009 Swiss study published in journal BMC Public Health previously reported that the use of cannabis was inversely associated with injuries requiring hospitalization.
A prior case-control study conducted by the University of Missouri also reported an inverse relationship between marijuana use and injury risk, finding, “Self-reported marijuana use in the previous seven days was associated … with a substantially decreased risk of injury.”
Most recently, a RAND study published this month reported that fewer than 200 total patients were admitted to California hospitals in 2008 for “marijuana abuse or dependence.” By contrast, there are an estimated 73,000 annual hospitalizations in California related to the use of alcohol.
the abstract is here
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