Mindfulness-Based Cognitive Therapy (MBCT) combines ideas of traditional cognitive therapies with meditative practices aimed at cultivating mindfulness. Mindfulness-based stress reduction (MBSR) is considered one of the original mindfulness-based interventions. It has been modified to be offered virtually,which has been useful throughout the COVID pandemic, and more importantly, has served to inform other mindfulness approaches, such as trauma-focused therapy. The investigators want to assess the efficacy of MBSR in patients with Chronic Pain undergoing drug treatment.