http://www.webmd.com/diet/features/bean ... superfoods
One cup of cooked beans (or two-thirds of a can) provides about 12 grams of fiber -- nearly half the recommended daily dose of 21 to 25 grams per day for adult women (30 to 38 grams for adult men)
Still not convinced? In a recent study, bean eaters weighed, on average, 7 pounds less and had slimmer waists than their bean-avoiding counterparts
Beans are high in antioxidants, a class of phytochemicals that incapacitate cell-damaging free radicals in the body, says Brick. (Free radicals have been implicated in everything from cancer and aging to neurodegenerative diseases like Parkinson's and Alzheimer's.)
In a U.S. Department of Agriculture study, researchers measured the antioxidant capacities of more than 100 common foods. Three types of beans made the top four: small red beans, red kidney beans, and pinto beans. And three others -- black beans, navy beans, and black-eyed peas -- achieved top-40 status.
Here is an article I wrote about how to prepare beans to make them a more pleasant experience: