Thyroid disease tends to run in families.Yearly testing is a Must..with antibodies.
Thyroid disease effects every inch and every cell in the body.
The TSH can effect and will amount of bowel movements one can have daily.
If you are thyroid and have a j pouch Please discuss with your MD or endocrinolgist the possibilty of malabsorption of T4..It happened to me
can guide you on thyroid disease
www.aarda.org can guide you on autoimmune disorders
hope all this helps you