Take the Blue Zones Vitality Compass to estimate your lifespan and how to lengthen it. Go to www.startribune.com/a1645.

For comparison, try a different longevity calculator based on a long-term New England Centenarian Study, called the Living to 100 Life Calculator, at www.startribune.com/a1646.

HOW HAPPY ARE YOU?

The Blue Zonesv analysis gives a glimpse into what brings happiness and offers a True Happiness calculator to check your own level. Go to www.startribune.com/a1648.

MORE INFORMATION

Blue Zones

For more about the Minneapolis-based company, the book and projects in other cities, to go www.bluezones.com.

ALBERT LEA VITALITY PROJECT

www.startribune.com/a1639

IOWA BLUE ZONES PROJECT

In Mason City, Cedar Falls, Spencer and Waterloo, with six more to be chosen, www.startribune.com/a1640

CALIFORNIA BEACH CITIES BLUE ZONES PROJECT

Hermosa Beach, Redondo Beach and Manhattan Beach, near Los Angeles, www.startribune.com/a1641

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"Changing a way of life"

www.startribune.com/a1642.