Stephen WangenStephen Wangen, ND, is a licensed and board certified gluten intolerant physician who lectures nationally on the subject of gluten intolerance. He is co-founder and Medical Directorof the Irritable Bowel Syndrome Treatment Center, and is on the Boardof Trustees of the Gluten Intolerant Group of North America. He continues to investigate the relationship between food allergies and health as the research director of the Innate Health Foundation. He is the author of two books, "Healthier Without Wheat" and"The Irritable Bowel Syndrome Solution". Read More Read Less