Living a scrupulous life appears to prolong one’s life (more even than socioeconomic status and intelligence). Studies at UC-Riverside (Friedman and Kern) found that people who were less conscientious were 50% more likely to die at any given age, on average, than those of the same age who scored highly (Health Psychology, DOI: 10.1037/0278-6133.27.5.505). (Coghlan, Andy. Conscientiousness is the secret to a long life. New Scientist magazine, 2008, article)