Research from the Psychology Department of Illawarra Cancer Care Centre in Australia by Danielle L. Feros, Lisbeth Lane, Joseph Ciarrochi and John T. Blackledge tried to examine the effectiveness of Acceptance and Commitment Therapy (ACT) intervention in improving the quality of life of 45 cancer patients. https://www.psychologs.com/the-effectiveness-of-acceptance-and-commitment-therapy-act-on-cancer-patients/