This report explores the effectiveness of psychological and medical models for eating disorders through the case study of Nikki Grahame. The cognitive behavioural psychological model and neuroanatomy medical model are described and applied to the case, with their respective therapies evaluated. Cognitive behavioural therapy is the most effective therapy of the psychological model, while drug therapy is suggested by the neuroanatomy medical model. The report concludes with a summary of the findings and references to relevant research.