Hi and Welcom to Neuro Talk,
its a great place for support, full of caring people.
Here's a link to general autoimmune diseases, Graves being one of them
http://neurotalk.psychcentral.com/forum44.html
also a link to the Caregivers suppport
http://neurotalk.psychcentral.com/forum56.html
I hope this helps, but if you need help finding your way around, please ask here or send me a message, sorry you are going through this, it must be very hard.
Kate