<unk>  may refer to any<unk> ; or: * Entheogen * Performance-enhancing drugs * Pharmaceutical drug * Poly<unk>  * Polysubstance dependence * Recreational<unk>  * Self-medication * Substance abuse * Substance dependence
Drug use
Trauma
Recreational drug use
Alcohol abuse
Radiation exposure
Occupational injury
Major trauma
Polysubstance use