“…Mindfulness, generally defined as bringing one's full attention to the present moment and taking a stance of nonjudgmental acceptance to the ongoing flow of sensations, thoughts, and/or emotional states [ [9] , [10] , [11] ], is a transdiagnostic factor with significant clinical relevance to the prevention and treatment of various psychological conditions. Among firefighters, research has demonstrated consistent negative associations between mindfulness and PTSD symptoms, depression symptoms, suicide ideation, and alcohol use problems [ 12 , 13 ]. Across populations, mindfulness-based interventions have demonstrated efficacy with regard to various psychological symptoms, including PTSD, depression, and alcohol use [ [14] , [15] , [16] ].…”