The world’s so-called Blue Zones have fascinated researchers for decades. In these areas—including the mountain region of Sardinia, Okinawa, the island of Ikaria, and the Nicoya Peninsula in Costa Rica—a strikingly large number of people live to 90–100 years old while remaining physically and mentally active. Most studies so far have focused primarily on diet, regular exercise or close family ties. However, new research suggests that personality, curiosity, and the ability to adapt to life’s challenges may be at least as important for healthy aging. The study was published in International Journal of Applied Positive Psychology.
The researchers studied 125 independent people between 71 and 101 from Sardinia’s famous Blue Zone, as well as from a nearby, similar rural area that is not a Blue Zone. The participants were visited in their own homes, where their personality, cognitive abilities, health status, quality of life, stress management strategies, and daily habits were assessed.
The most significant difference was observed in the personality trait known as “openness.” The elderly living in the Blue Zones proved to be more curious, were more willing to try new things, and found it easier to recognize and express their own emotions. This openness was also evident in their daily lives: on average, they spent 11.3 hours per week on mentally or physically active leisure activities—such as reading, gardening, or other hobbies—while the elderly living in the surrounding area spent an average of 6.8 hours on similar activities.
At the same time, the research also showed that certain personality characteristics may be associated with less favourable aging. So-called neuroticism—increased tendency to anxiety, negative emotions, and a lack of self-confidence—was clearly associated with a poorer health-related quality of life. Those who more frequently experienced prolonged stress or negative moods also rated their own physical health poorer.
In contrast, conscientiousness—that is being organised, the sense of responsibility and perseverance—as well as friendliness and cooperativeness were associated with higher life satisfaction and better psychological well-being.
Interestingly, the overall health-related quality of life of the two studied groups did not show significant difference. The researchers believe this suggests that the advantage enjoyed by Blue Zone residents does not necessarily stem from facing fewer health problems, but rather from how they respond to these challenges.
The above is also supported by the Selective Optimization with Compensation (SOC) model, a well-known theory in aging research. According to this model, people aging successfully recognize their own limits, focus on activities they can still perform well, and develop new coping strategies to compensate for the losses associated with aging. Based on the research findings, the elderly living in the Blue Zone demonstrate this flexible adaptation above average.
One of the most important messages of the study, however, is that for healthy aging it is not necessary to live in one of the Blue Zones. Although genetic predisposition, environment, and diet continue to play a decisive role, there are numerous factors that anyone can consciously work to improve. Being open to new experiences, seeking regular mental challenges, engaging in active hobbies, nurturing social relationships, and coping flexibly with stress can all contribute to making old age not only longer but also more fulfilling and of a higher quality of life.
However, it is important to emphasize, that this was an observational study; therefore, it does not prove that positive personality traits alone lead to better health or a longer life. It is much more likely that successful aging is the result of the long-term interaction of lifestyle, social environment, biological factors and psychological adaptability.
Nevertheless, the research conveys an important message. It suggests that healthy aging depends not only on what we eat or how much we exercise, but also on how we respond to the constant changes in life. Curiosity, openness to new experiences, and flexible adaptation can be resources that help us maintain our physical, mental, and emotional well-being even in old age.
More to read: https://link.springer.com/article/10.1007/s41042-026-00313-w
