About the Authors:

Dr. Ian Blumer, MD, FRCPC (Ajax, ON) is an internal medicine specialist in the Greater Toronto Area. A well-known medical figure in Canada, he appears regularly in the media and is an expert when it comes to translating complex medical issues into understandable terms for the lay public.  He is the co-author of Diabetes For Canadians For Dummies and Understanding Prescription Drugs For Canadians For Dummies.

Sheila Crowe, MD, FRCPC, FACP, FACG, AGAF (Charlottesville, VA) is a Professor of Gastroenterology and Hepatology in the University of Virginia's Department of Medicine. As a clinician-scientist, Dr. Crowe is active in research, clinical care, and teaching. Dr. Crowe is named in the Best Doctors in America for her clinical interests in inflammatory bowel disease, gastrointestinal food allergy and celiac disease, and peptic ulcer disease.