What is obsessive compulsive disorder? What are its related disorders. The Diagnostic Statistical Manual of Mental Disorders 5 (DSM-5) has changed and assigned other body dysmorphic disorder as one of the related disorders. Please define it. Which mental disorder listed under OCD do you believe to be the most serious? Explain your answers.
Answer your question thoroughly and cite one outside source (your textbook, on-line resources, journals, etc)