Pressure sores are areas of skin damage resulting from a lack of blood flow due to pressure. Pressure sores often result from pressure combined with pulling on the skin, friction, and moisture, particularly over bony areas. The diagnosis is usually based on a physical examination.
Rice is a cereal grain that contributes towards constipation. Known for its binding abilities, rice does contain fiber depending on the outer layer of the grain, but it leads to constipation because these are indigestible fibers. Foods rich in indigestible fibers will obstruct the bowel movement causing constipation.
1 If left out for more than 45 minutes, don't eat it or you'll get food poisoning.  Yes, eating uncooked rice is bad for you. I've had an experience with eating uncooked rice and I guess I just got addicted to the taste. I kept eating it and eating it, until my blood level just dropped.