Many of us have long been told that fat makes us fat, contributes to heart disease, and generally erodes our health. Now a growing body of research is debunking our fat-phobia, revealing the immense health and weight-loss benefits of a high-fat diet rich in eggs, nuts, oils, avocados, and other delicious super-foods. In his new book, bestselling author Dr. Mark Hyman introduces a new weight-loss and...