I'm sorry your wife has suffered so much.
It must be very difficult for you both.
It's good she's interested in reading about it. Perhaps that will prompt her to seek help.
Let us know how it's going. We care...
Bookie, I just found this information from another poster in anxiety disorders. Anyway, read this article. You might find some relief there:
http://en.wikipedia.org/wiki/Hypothyroidism
Hope it helps!
Shalom!