Key finding
Large cohort: ~6% lower mortality per 1-point increase in overall life satisfaction score (HR ~0.94)
Evidence & causal status
Moderate
Association
Caveats & limitations
Reliability / bias notes: Health satisfaction especially vulnerable to reverse causation
This describes a population-level association from published research. It is not a prediction about any one individual, and association is not the same as causation unless stated otherwise above.