RecruitingClinical trialExercise-based Program for Rehabilitation of Veterans With Severe Mental IllnessThis is a hybrid1, effectiveness-implementation study of yoga-based exercises (YE) as an adjunctive tool for rehabilitation among persons with Severe Mental Illness (SMI). The two-arm randomized controlled trial will compare the efficacy of YE compared to the Wellness Lifestyle Program (WLP). Primary outcomes of the study will be self-report and performance-based measures of community functioning, defined in the investigators study as social, leisure, employment, and life skills functioning in the community. Secondary outcomes will include cognition and physical fitness measures.