Studies have shown that brown rice can have many cardiovascular benefits for postmenopausal women, including slowing the progression of atherosclerosis, which is the build-up of plaque in the arteries, as well as slowing the progression of the narrowing of the arteries. But postmenopausal women aren’t the only ones who can benefit from the heart-healthy compounds in this whole grain. Brown rice also contains plant lignans, which can protect against heart disease and certain types of cancer.