Debunking the ancient Paleo Diet in modern cultures

Aired: 8/31/2014 | 0:04:59 | Clip
Regarding the world's swelling population, the September issue of National Geographic examines the Paleo Diet as a way to feed the planet's future generations and offers a more complete look at what our ancestors really ate. Science writer Ann Gibbons joins Hari Sreenivasan to discuss how the real Paleo Diet varies among cultures.