South Beach Diet doc: Why America is getting fatter

South Beach Diet doc: Why America is getting fatter

October 19, 2011 6:56 AM

Erica Hill and Jeff Glor talk to Dr. Arthur Agaston, author of the famed South Beach Diet series, shares tips from his new book, "The South Beach Wake-Up Call: Why America Is Still Getting Fatter," on how to develop and stick to a healthy diet and lifestyle.

For an excerpt from the book and for more info - including a quiz for readers.
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