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.
Bloody or tarry stools. Bloody stools often are a sign of a problem in the digestive tract. Blood in the stool may come from anywhere along your digestive tract from your mouth to your anus. Heavy or rapid bleeding in the upper GI tract can cause bright red stools. Eating black licorice, lead, iron pills, bismuth medicines like Pepto-Bismol, or blueberries can also cause black stools.