The text discusses 'blue zones,' regions where people live significantly longer lives, and recent research validating some of these areas. Sardinia and Ikaria are confirmed blue zones, while Okinawa and Nicoya are no longer classified as such due to declining centenarian rates. The study emphasizes the importance of lifestyle, diet, and social connections in promoting longevity and notes the emergence of potential new blue zones. Teljes cikk (Euronews.com)