Blue zones are rare and based upon the number of active people still living at the age of 100. Sardinia is the original, and the concentration of active old people around Nuoro is generally unquestioned. How do you live to be 100 and lead a rich and full life? It seems you might have to live in the Barbagia mountains around the Athens of Sardinia, Nuoro.
The reliance on family and friends for entertainment, the hard-scrabble existence in the mountains, hobbies like gardening or dancing, and what you eat and drink are all part of a long life, researchers tell us. And so they mark these areas in blue pencil, signifying blue zones.
