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| Photo: pinkcanoe, Flickr |
The island of Sardinia lies 120 miles west of the Italian mainland. It is the second largest island in the western Mediterranean with Sicily only being larger.
According to Dan Buettner, the author of "The Blue Zones: Lessons for Living Longer From the People Who've Lived the Longest," various features of the Sardinian diet can result in an average of six years added to the average life expectancy.
The Sardinian diet emphasizes bread, cheese and red wine. Sardinian Cannonau, a very darkly-colored red wine, has the highest level of antioxidants of any known red wine in the world.
"This is so dark that the Italians call it vino nero, which means 'black wine,'" Buettner told "Good Morning America".
No surprise here, Sardinians also eat lots of fruits and vegetables and meat is a once-a-week celebration. Contrary to other Meditteranean diets, not a lot of fish is eaten.
Instead, cheese is used as protein source -- specifically, grass-fed cheeses.
Buettner also reveals one common denominator of healthiest people alive are the consumption of nuts. Buettner recommends the 2-by-4-by-2 rule -- people who eat 2 ounces of nuts four times a week live an average of two years longer.
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