Sardinia isn't just a 'Blue Zone', an area with a higher concentration of centenarians than usual. It's better described as the beginning of the Blue Zones phenomenon. And it's also a place where you can buy a home for as little as one euro. In this second episode of Blue Zones: Revisited, we ask what happens to the people whose villages are designated as Blue Zones, consider whether red wine, goats milk, or even pizza might be the secret to a long life, and untangle what is knowable from what researchers maintain is unknown. Further Reading: Questions raised in search for Sardinian centenarians' secrets DNA samples missing Review of the bioavailabilty of flavonoids Red wine and longevity Review of goat's milk composition Disease spread in Italian hospitals and nursing homes One euro homes for sale One euro homes for rent Comparison of nursing homes in 10 developed countries Mussolini's fascist new towns Sardinia's pizza - the panada