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An 85-year Harvard study found the No. 1 thing that makes us happy in life
Harvard researchers have spent the last 85 years studying what makes us happy, and they've come up with a pretty surprising answer.
An 85-year Harvard study found the No. 1 thing that makes us happy in life
Harvard researchers have spent the last 85 years studying what makes us happy, and they've come up with a pretty surprising answer.