 -Evidence of gastrointestinal disease, as indicated by any of the following: Recurrent diarrhea 5 episodes during the past 6 months, each lasting at least 3 days, with at least one week between episodes Frequent indigestion or heartburn that requires daily antacids or other medical therapy Diagnosed by a doctor as having uncontrolled irritable bowel syndrome, Crohns disease, ulcerative colitis, celiac disease, or stomach or intestinal ulcers Blood in the stool during the past year other than occasional small amount from straining or hemorrhoids 