Beans are one of the healthiest starch options, as they are very good sources of fiber, contain healthy plant-based protein and are packed with nutrients and anti-oxidants.
Emphasizing the use of plant sources of vegetable protein such as legumes and beans that contain cancer-fighting compounds should be a prominent part of an anti-cancer diet.
This explains why the plant has so many more genes than types of protein (many of its proteins are similar, belonging to families turned out by duplicated genes).