Staying Healthy: Is There a Formula For Joy?

New books tout the secrets of happiness. Here's a look at how their recipes compare

In the past two weeks, we'll bet 150 people have wished you happy New Year. And at the supermarket or dry cleaner, someone wanted you to "have a nice day." The Democrats used to chorus, "Happy days are here again." The noted self-help guru Bobby McFerrin counseled, "Don't worry, be happy." Other pop singers tell us that happiness is "a thing called Joe" (Judy Garland), "what my life's about" (Vanessa Williams), "when you feel really good with somebody" (Al Green), "a warm gun" (John Lennon), "an option" (Pet Shop Boys). The old saloon singer Ted Lewis used to ask, "Is everybody...

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