What makes us happy? It\'s not wealth, youth, beauty, or intelligence, says Dan Buettner.
He explores why these populations say they are happier than anyone else, and.
Working with leading researchers, Buettner identifies the happiest region on each of four continents.
Circling the globe to study the world\'s happiest populations, Buettner has spotted several common principles that can unlock the doors to true contentment with our lives.
In fact, most of us have the keys within our grasp.
What makes us happy? It\'s not wealth, youth, beauty, or intelligence, says Dan Buettner