"When in recession, fad diets reign" from APM's Morning Report

STACEY VANEK-SMITH: It's spring, and you know what that means: swimsuit season is right around the corner and diet season is in full swing. Americans spend $55 billion a year trying to lose weight. But our diet obsession is nothing new. Susan Yager is author of the new book, "The Hundred Year Diet." Good morning, Susan. SUSAN YAGER: Good morning.

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