Dr. Joel Wallach begins the show discussing the importance of a gluten free diet. Explaining how gluten destroys intestinal villi. Stating that a healthy intestine looks hairy. While an intestine that has been damaged by gluten looks smooth with scar tissue. Stating that people need to be vigilant and ask questions when dining out. Recommending people should talk to the chef rather than the server to be certain that the food is gluten free.