Helpful Links
Celiac sprue support
http://www.csaceliacs.org/
Crohn's & Colitis Foundation of America
http://ccfa.org
American Liver Foundation
http://www.liverfoundation.org/
Mayo Clinic general topics and specific conditions
http://www.mayoclinic.com/
General Medicine topics
http://www.medicinenet.com
General Medicine topics
http://www.emedicinehealth.com
Medical resource for a variety of conditions
http://www.uptodate.com/patients
Colonoscopy for Dummies
http://www.colonoscopyfordummies.com