This document provides an overview of criticism from medical experts and organizations regarding the Atkins diet. It begins by summarizing opinions from experts in the 1970s who warned that the Atkins diet was "dangerous" and "nonsense". It then discusses how Atkins recycled old high-fat diet ideas and failed to produce sustained weight loss in the long term. The document concludes by stating that no major medical organizations support the Atkins diet as it contradicts dietary recommendations.