Do you think life is long or short? Do you find life hard or easy? Survey results show that the happiest people are those who think of life as both long and easy – but most people think life is short and hard. Dan Buettner, author of The Blue Zones of Happiness, explains how he researched exceptionally happy people and found common denominators among them – and compares the ingredients of happiness in Singapore, Costa Rica and Denmark.

http://www.weforum.org/