On this week's episode we learn about the autoimmune disorder, Hashimoto's.  Our guest, Jodi, is an international traveler, with an interest in scuba diving.  Hashimoto's is the most common cause of hypothyroidism in the United States.  It is also called chronic lymphocytic thyroiditis or autoimmune thyroiditis.  It is characterized by a chronic inflammation of the thyroid.  Jodi uses diet and exercise to help keep her condition under control.