Personality linked to longevity
Positive traits are good for our health, according to international research.
Attaining a “ripe old age” has long been linked to familiar factors such as genetics, diet, and exercise.
Increasingly, however, research shows that who we are psychologically can also play an important role in how well, and how long, we live.
Large-scale international studies suggest that certain personal traits influence health behaviours, resilience, and even mortality risk.
According to recent research, people who are organised, responsible, and active tend to live longer than those who are careless or chronically worried.
Drawing on research involving more than 22,000 adults, the study found that traits linked to “conscientiousness” – such as being thorough, dependable and self-disciplined – were associated with a significantly lower risk of death over time.
Being energetic and actively engaged with life also showed a protective effect, while chronic anxiety and emotional instability were linked to poorer outcomes.
These findings align with decades of broader scientific research. One of the most comprehensive analyses, involving more than 44,000 people across 15 long‑term international studies, found that low conscientiousness and high neuroticism consistently predicted higher mortality risk.
In contrast, people who scored higher on conscientiousness, agreeableness, and extraversion tended to live longer, even after accounting for age, gender, and socioeconomic factors.
Why do these traits matter? Researchers believe the answer lies in everyday habits. Conscientious individuals are more likely to follow medical advice, attend health screenings, exercise regularly, and avoid risky behaviours such as smoking.
Over time, these small decisions compound into meaningful health advantages. Studies also suggest conscientiousness may support better cognitive function and immune health in later life, further contributing to longevity.
Equally important is what this research means for older adults today.
Personality is not fixed in stone. While core traits are relatively stable, specific behaviours – such as staying organised, setting routines, remaining socially active, and managing stress – can be strengthened at any age.
Experts stress that adopting even modest changes can support both physical health and emotional wellbeing as we grow older.
Ageing well, it seems, is not solely about medical numbers or fitness targets. It is also about staying engaged, purposeful, and attentive to one’s health.
In that sense, cultivating helpful habits and attitudes may be one of the most accessible tools we have for supporting longer, healthier lives.
Related reading: Metro, American Psychological Association
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