Why is Baltimore in poorer health than urban Nigeria?

Aired: 5/2/2015 | 0:05:24 | Clip
In the Baltimore neighborhood of Sandtown, the infant mortality rate is more than than six times the national average, and life expectancy is more than a decade lower than in the rest of the country. And the health outlook is especially poor among teens. Dr. Robert Blum, Johns Hopkins Urban Health Institute Director, joins Hari Sreenivasan.