The contributions of social and especially of psychological factors to cancer development have been questioned. The goal of this study was to investigate, in a longitudinal setting, the prospective associations between self-reported measures of social relations, subjective health (physical and mental) and quality of life and the risk for cancer.
Flensborg-Madsen, T., Johansen, C., Grønbæk, M., & Mortensen, E. L. (2011). A prospective association between quality of life and risk for cancer. European Journal of Cancer, 47(16), 2446-52. https://doi.org/10.1016/j.ejca.2011.06.005