"Ulcerative colitis affects the entire gastrointestinal tract beginning in the rectum."

"The inflammation in ulcerative colitis is due to the underproduction of cytokines and T helper cells."

"In ulcerative colitis, chronic inflammation is caused by an excessive number of toll-like receptors in the colonic epithelial barrier."

"Ulcerative colitis is primarily caused by increased gut motility and visceral hypersensitivity."