How is life expectancy linked to quality of life?

Answer:The study published in Health Affairs defined population well-being as a measure that includes physical, emotional, and social health ... For each increase of 1 standard deviation in well-being score, life expectancy was 1.9 years higher for women and 2.6 years higher for men. Nov

the better quality of life the less stress the less worry and if you are rich then you most likely have the best everything so if you have money in terms you are supposed to life longer than somebody with less money unless you smoke etc.