Gina is correct,
Every cell in the human body has an iodine receptor that is being filled by toxins of Bromide, Fluoride & chlorine. We live in a sea of these toxins and your thyroid is adversely affected. http://tinyurl.com/iodine-and-halogen-robbers
Also if someone in this thread is suffering MS, I have some very promising reseach. See "Multiple Sclerosis" and "Autoimmune Disease" here: http://tinyurl.com/Iodine-Reading