The effects of marijuana use prior to traumatic brain injury on survival

Legalization of recreational marijuana throughout the United States has been associated with increased emergency department visits involving marijuana and its metabolites, tetrahydrocannabinol (THC) and cannabinoids. We investigated the relationship between marijuana use and outcomes after all levels of traumatic brain injury (TBI) from a large multi-center regional dataset. A retrospective review of de-identified patient data from twenty-six...