Spirituality and religiosity: influence on cancer therapy and well-being

Abstract Religiosity and spirituality provide cancer patients with strength and confidence to face difficult situations during the process of seeking a cure, indicating that faith is an important element at this time. This systematic literature review analyzed the national and international scientific production to assess whether religious and spiritual practices facilitate therapeutic adherence and improve the quality of life of cancer patients. Level of evidence was classified using the Grades of Recommendation, Assessment, Development and Evaluation approach. Some articles showed that spirituality and religiosity positively influence treatment and patient well-being. In conclusion, cancer patients who use religiosity and spirituality as a strategy have grater hope in treatment; however, further in-depth studies are needed to ensure its effectiveness.