Here is Ben Balzer's rebuttal: http://paleolithicdiet.wordpress.com/2014/01/12/paleo-diet-fights-back-response-to-us-news-health-wellness-rating-paleo-diet-last/ Here is Loren's: http://thepaleodiet.com/2014-rebuttal-to-u-s-news-and-world-reports-di et-ratings/