Polydrug use and recreational motives are associated with lower posttraumatic symptoms in survivors of a mass trauma event

Objective: Drug use after trauma is common, but polydrug use patterns, motives, and associations with subsequent symptoms are poorly understood. We examined these associations among mass-casualty terror attack survivors, 72% of whom used drugs immediately before trauma exposure. Methods: Survivors of the October 7, 2023 Nova Festival attack reported use of six drug types (alcohol, cannabis, ketamine, stimulants, MDMA, psychedelics) and motives (avoidance, emotional regulation, self-medication, sleep, recreation) longitudinally at three timepoints (TP): 1-6 months (N=772), 8-12 months (N=453),

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