brain tuner. Ulcerative Colitis is really a disorder that causes ulcers, or sores, and inflammation, inside the lining of the rectum and colon. These ulcers kind wherever the cells lining the colon have already been killed and causes bleeding and pus. This swelling leads to the colon to vacant usually, resulting in diarrhea.…brain tuner. Ulcerative Colitis is really a disorder that causes ulcers, or sores, and inflammation, inside the lining of the rectum and colon. These ulcers kind wherever the cells lining the colon have already been killed and causes bleeding and pus. This swelling leads to the colon to vacant usually, resulting in diarrhea.WWWW…