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The Italian valley that holds the recipe for living over 100

Blue zones have the highest percentage of centenarians anywhere in the world. Can they tell us the secret to a long and healthy life?

In part one of this three-part series, science writer David Robson travels to Sardinia to find out what is so special about its blue zone, talking to the locals about their traditional way of life and their attitudes to ageing.

A film by David Robson and Pierangelo Pirak.

9 November 2023