My doc is the head of an MDA Clinic! I continue to find, time and time again, they are extremely knowledgeable and help me with anything I request or ask about but they DO NOT seem to ever offer anything. I keep putting it down to patients with ALS all want to receive different amounts of info and my doc doesn't want to give me more than I can handle. Thanks for the info. As an aside, I'm going to the dentist to have a cavity filled this week. . This is it! I mean it!!