After all, life expectancy is proportional to income. Those who can afford to spend money on medical care can live longer.
But, the result on the article shows racial gap is shrinking. It's good trend to reduce racial disparity.
Black Americans living longer, but racial gap remains, CDC says
http://edition.cnn.com/2017/05/02/health/african-american-death-rates-cdc-study/index.html
