Disparity in the life spans of the rich and poor is growing

Aired: 3/9/2016 | 0:08:04 | Clip
Research has long established that wealthy people tend to live longer than the poor, but despite advances in medicine, technology and education, the economic ladder has been widening dramatically. Dr. Lisa Berkman, the director of Harvard's Center for Population and Development Studies, joins Hari Sreenivasan to discuss the implications of this gap.

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