by Cedars-Sinai Medical Center Micrograph showing inflammation of the large bowel in a case of inflammatory bowel disease. Colonic biopsy. Blood clots are the biggest cause of death in patients with inflammatory bowel disease (IBD)—ulcerative colitis or Crohn’s disease. In a retrospective study recently published in the journal Gastroenterology, Cedars-Sinai investigators found that a combination of rare...