There's so much more than eating purple sweet potatoes to the impressive longevity in of residents in Okinawa, Japan. It's one of the so called 'Blue Zones', with an extraordinary number of residents over the age of 100.
Christal Burnette moved to the region nearly 10 years ago to study Japanese food, culture and healthy lifestyle. Lately some shade has been cast on the idea of 'Blue Zone's. Burnette works with the Okinawa Research Center for Longevity Science and says the Blue Zone in Okinawa is real, but not just for the reasons some people might think.
