Staples JK, Abdel Atti JA, Gordon JS. Mind-body skills groups for posttraumatic stress disorder and depression symptoms in Palestinian children and adolescents in Gaza. Int J Stress Manag. 2011; 18(3): 246-262.
Study demonstrated 89% reduction in participants who qualified as having PTSD and significant decreases in depression and hopelessness. Reductions in hopelessness were fully maintained and reductions in PTSD and depression were largely maintained at 7 month follow-up.