Dana is eight years old. She is also anorexic. This week's Cutting Edge follows Dana as she embarks on an intensive 12-week programme at a specialist clinic, to examine why younger and younger children are developing eating disorders. Dr Dee Dawson, Medical Director of the Rhodes Farm Clinic, which treats young girls with eating disorders, says: "I'm in no doubt now that the average age is falling. We are seeing more eight, nine and 10-year-olds than we have ever seen before." But how will Dana cope, away from her family, as the youngest of 20 girls with eating disorders?