Paying for Eating Disorders Treatment

NY Times article entitled "Treating Eating Disorders and Paying For it." This article discusses the managed care system and how difficult it is to receive reimbursement for the treatment of eating disorders due to the length and complexity of treatment. Yet children at younger and younger ages are developing eating disorders (see this article via CNN.com about a 10 year-old boy who developed anorexia). How could this issue be resolved? What efforts at prevention might be useful in reducing the rates of eating disorders? What treatments do seem efficacious at managing eating disordered behaviors?