Okinawa is one of the world's 'Blue Zones', areas in which people live unusually long lives... or so we've heard.
In this first episode of Blue Zones: Revisited, we ask just how unusual Okinawa's population really is, consider whether purple sweet potatoes might be the secret to a long life, and take seriously the advice of 99-year-old Fumi Chinen who says 'if anyone ever gives you something and tells you it's healthy, don't eat it.'
Further Reading:
Calorie consumption in Afghanistan
Adult BMI in Japan's 47 prefectures
Middle-aged and elderly hikikomori
Support for aging hikikomori
Ikigai and retirement
Elderly population of Fukushima
Fukushima population statistics
Last Fukushima town reopens
World record centenarian beauty adviser
Elderly population of Chernobyl
Exceptional Longevity in Okinawa: A plea for in-depth validation