“…She went back to graduate school, got straight A's, got her master's degree the next year after 18 years of dementia. How impressive. Let's talk a little bit about T3, T4 and free T3, free T4 and about the way we test for thyroid. What's your take on this, Ray? Well, first the whole idea of a free hormone, it means something, but when you start applying it as if it was really a physical reality, people get confused and start thinking about membranes and barriers and things that don't really have anything to do with reality.”