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Available for over a year

Bridget Kendall explores how dependency on energy affects the values we live by, how obesity and dependence on eating is reducing how long we live and whether an ageing global population could be more independent than we think. With historian and archaeologist Ian Morris, obesity and diabetes specialist Katarina Kos and journalist and writer on Asia David Pilling. (Photo: An elderly man being helped to walk by two women. �鶹�� copyright)