1. What is inflammatory bowel disease? What does current medical literature indicate regarding its etiology 2. Mr. Sims was initially diagnosed with ulcerative colitis and then diagnosed with Crohn’s....

1. What is inflammatory bowel disease? What does current medical literature indicate regarding its etiology

2. Mr. Sims was initially diagnosed with ulcerative colitis and then diagnosed with Crohn’s. How could this happen? What are the similarities and differences between Crohn’s disease and ulcerative colitis?