When you weigh the differences of White rice to Brown rice the health benefits are extremely in the favor of brown rice for these reasons. When rice is milled and polished the bran portion of the grain is removed.
Researchers at the USDA have found that rice bran lowers blood cholesterol in animals just as much as oat bran. Moreover, brown rice is the only form of the grain that contains vitamin E.
Cancer risk is some 50 times lower in equally deprived people not using primarily modern types of corn, wheat, or polished rice.
Brown rice has a higher nutritional value when compared to the milled and polished rice (white rice). While the GI of the white and brown rice were similar the insulin response for brown rice was significantly lower than for white rice.
It was determined that there was significantly increased numbers of beneficial bacteria (probiotics) during the brown rice intake, whereas the total counts of harmful bacteria during the intake of brown rice were lower than those before and after the intake.