People who are physically active, calm and judicious, and who are able to manage their daily lives, liver longer than those who have a less positive attitude troubled by nervousness, anger or fear. This was concluded by researchers on behalf of a 50-year long observation of American men and women. If you strive after emotional stability and a conscientious and active lifestyle it may help lower your risk of disease, while making you more satisfied with life and - very importantly - increasing your lifespan substantially.