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.
Pinto beans can cause intestinal gas, among other things. Pinto beans can be a healthy protein source. Eating 1/2 cup of pinto beans adds 8 g of protein to your daily intake. You will also get 8 g of dietary fiber without any fat or cholesterol from 1/2 cup of plain cooked pinto beans. Eating large amounts of pinto beans, however, can cause side effects, both negative and positive. Pinto beans may cause intestinal discomfort and gas.