Happy people live longer because they are healthy people

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Objectives: Higher levels of happiness are associated with longer life expectancy. Our study assessed the extent to which various factors explain the protective effect of happiness on all-cause mortality risk, and whether the association differs between older men and women. Methods: Using data from the Singapore Longitudinal Aging Studies (N = 6073) of community-dwelling older adults aged ≥ 55 years, we analyzed the association of baseline Likert score of happiness (1 = very sad to 5 = very happy) and mortality from mean 11.7 years of follow up. Cox regression models were used to assess the extent to which confounding risk factors attenuated the hazard ratio of association in the whole sample and sex-stratified analyses. Results: Happiness was significantly associated with lower mortality (p




Song, C. F., Tay, P. K. C., Gwee, X., Wee, S. L., & Ng, T. P. (2023). Happy people live longer because they are healthy people. BMC Geriatrics, 23(1). https://doi.org/10.1186/s12877-023-04030-w

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