by Chirag D. Trivedi and C.S. Pitchumoni
Doctors Trivedi and Pitchumoni, in this paper discuss the various etiologic factors, clinical presentations and management options of upper and lower GI bleeding in older adults.

by Bradley R. Javorsky, Nelly Maybee, Shetal H. Padia and Alan C. Dalkin
Gastroenterologists and nutritionists often see patients whose medical condition predisposes them to vitamin D deficiency - inflammatory bowel disease, celiac disease, gastric bypass surgery and cystic fibrosis/pancreatic insufficiency. This article's focus is on vitamin D physiology and specific disease states associated with Vitamin D deficiency commonly seen in gastrointestinal practice.

by Anita Mittal, Marie L. Borum and Anthony C. Venbrux
This is a case of a 77-year-old female with progressive arthritis of unknown etiology who developed upper gastrointestinal bleeding. The bleeding led to a thorough GI evaluation that led to a diagnosis of polyarteritis nodosa.

by Nancy E. Campbell, Patrick B. Garvey, Donald W. Northfelt, Jonathan A. Leighton and Jacques P. Heppell
This case reports the management of severe gastrointestinal bleeding in a patient with acquired Von Willebrand disease complicating celiac disease linked enteropathic-associated T-cell lymphoma.

A case for you to solve.

by Jennifer L. Jones and Amy E. Foxx-Orenstein
There have been no reports of severe adverse advents with the use of probiotics in humans in clinical trials. However, at this time there is very little evidence to justify the use of probiotics for the treatment of Crohn’s disease but some data exists to suggest that probiotics may be useful in the management of ulcerative colitis.