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The key to living a long life may just be attitude.
People who are upbeat and carefree tend to live longer, according to this study of 243 people who were nearly 100 years old.
The study participants were of Ashkenazi Jewish descent and three-quarters of them were female.
They filled out a questionnaire that measured key personality components. The researches sought to identify genetically-related personality types that were associated with longevity. They found that having a positive attitude toward life and expressing emotions freely were two personality constructs that were common among these near Centenarians.
Neuroticism was rare in this group, but other traits, such as being relaxed, friendly, upbeat, and conscientious, laughing easily, and having an active social life were the norm.