CDC's Center, Institute, and Offices (CIOs) allow the agency to be more responsive and effective when dealing with public health concerns. Each group implements CDCâ²s response in their areas of expertise, while also providing intra-agency support and resource-sharing for cross-cutting issues and specific health threats.
No foods are known to cause bloody stools or related conditions. Eating too many low-fiber foods, however, leaves little room in your diet for helpful fare. To ensure plentiful whole grain intake, substitute white rice, which is a refined grain, with whole grain brown rice in your favorite recipes.
The ingestion of black licorice, lead, Pepto-Bismol, or blueberries can. all cause black stools or false melena. Stools should be tested for the presence of hidden blood. Some upper GI causes of bloody stools can also cause vomiting blood such as in peptic ulcer disease.