B4

Have you heard of "blue zones"? These are areas of the world in which people live the longest.

LONG

B5

In Sardinia, Italy, for example, an area of the island has more males over 100 years of age than anywhere else on Earth today.

HAVE

B6

Another blue zone is Icaria, Greece. Many of its inhabitants live into their 90s.

THEY

B7

Visiting Costa Rica in 2007, the author and explorer Dan Buettner found that a particular region in the country has an extremely long life expectancy.

FIND

B8

The Costa Ricans in this region, who are farmers, outlive men and women in other areas of the country.

WOMAN

B9

In 2008, Buettner wrote a book about this.

WRITE

B10

Scientists are still researching the reasons for blue zones, but it seems that both diet and exercise play an important role.

SEEM

B11

They have discovered five blue zones so far. These include the three mentioned above, together with Okinawa, Japan, and Loma Linda, California.

DISCOVER

B12

Perhaps scientists will find more blue zones in other parts of the world in the future.

FIND