Nutrition Concepts and Controversies is an exciting eBook. It is authored by Frances Sienkiewicz Sizer and Ellie Witney. Wadsworth Cengage learning is the book publisher. It adopts a different approach as compared to other Nutrition books. It provokes the inquiring brain about nutritional concepts. Moreover, it includes the controversies section at the end of each chapter. This section however deals with the emerging controversies with scientific knowledge.