The Good Life: Lessons from the World's Longest Study on Happiness
The longest running study on happiness:
Harvard's 84 year old Study of Adult Development.
Here are 7 lessons from the study to help you live a happier life:
The Blue Zones of Happiness: Lessons From the World's Happiest People (Blue Zones, The)
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The Art of the Good Life: 52 Surprising Shortcuts to Happiness, Wealth, and Success
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