Lee, Hyunjung, and Gopal K Singh. “Association of Happiness and Life Satisfaction With Cancer Mortality in the United States: A Longitudinal Analysis”. International Journal of Translational Medical Research and Public Health 4, no. 2 (August 1, 2020): 1–8. Accessed October 18, 2026. https://ijtmrph.org/index.php/ijtmrph/article/view/110.