Looking for information about ulcerative colitis? Amber Treska, writing for About.com, really knows her stuff. On five pages, filled with information, you'll find everything from the symptoms:

Common symptoms of UC include bloody diarrhea, fever and abdominal pain. There can also be symptoms outside the digestive system which are known as extra-intestinal symptoms.

to methods of diagnosis to the risks:

For people with UC, there are two factors affecting the risk of developing colon cancer. The first factor is that risk increases after 8 to 10 years of active UC. The second is the extent of the disease in the colon.

I'm a long-time sufferer of ulcerative colitis. and I found information here that I hadn't been aware of. Well worth reading.