September 28, 2009 by Francesca Lunzer Kritz, Los Angeles Times

It doesn't surprise some researchers that double cheeseburgers at Wendy's, McDonald's and many other fast food restaurants cost only $1 or so each; a study published in the May issue of the Journal of the American Dietetic Assn., by faculty at the University of Chicago, found that more nutritious diets also tend to be more expensive.

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