Want to become a spirit-lifting, mood-elevating, cheer-engineering dynamo? <i>Martha Beck</i> maintains that brightening someone else's day requires far less effort than you'd think.
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Martha Beck and Thinner Peace
Oprah Radio' host Dr. Mehmet Oz talks to Martha Beck about her extraordinary life and her latest book 'The Four Day Win: End Your Diet War and Achieve Thinner Peace.'