Adopting a more optimistic mindset is associated with a reduced risk of all-cause mortality.

noli's read

The creator relies on a meta-analysis of prospective cohort studies, which represents a solid level of evidence for observing long-term correlations. Research does indeed suggest an association between optimism and better health, potentially mediated by healthier lifestyle habits and more effective stress management in optimistic individuals. However, it is important to note that these are observational studies: they demonstrate a correlation but do not prove a direct causal link (it is not the case that deciding to be optimistic mechanically results in living longer). Potential exaggeration lies in the simplification of the message: optimism is not a guarantee of health, but rather a marker often linked to an overall more protective environment or temperament. In sum, science supports the link between psychological well-being and longevity, even if the exact biological mechanisms remain complex and multifactorial.

the sources

No named source held this one up — that absence is part of the verdict.