A double-blind study is one in which neither the participants nor the experimenters know who is receiving a particular treatment. This procedure is utilized to prevent bias in research results.
Total Dietary Fiber. Kidney beans contain more total dietary fiber per serving than the seven other most commonly consumed legumes in the United States, including black-eyed peas, chickpeas, lentils and black, navy, pinto and lima beans.
1 Sources of soluble fiber are oats, legumes (beans, peas, and soybeans), apples, bananas, berries, barley, some vegetables, and psylluim.  Diabetes: Fiber not only helps with diabetes management, but it may also be a powerful preventative.