Key points from article :
People in more contented U.S. counties lived an extra two years or more.
Well-being includes physical health as well as people’s levels of emotional health, life satisfaction, optimism and security.
Direct correlation found between well-being and life expectancy regardless of the area’s racial makeup, poverty and education levels.
Efforts to improve Americans’ health and longevity have to go beyond the health care system.
The study was published in the Health Affairs journal.
