The doctors pick up where they left off on the last show. Drs. Steph and Tom recap the previous show and then get into discussing the Top 5 Causes of Thyroid Dysfunction. These causes include primary low thyroid, hormone underconversion, hormone overconversion, thyroid hormone resistance and Hashimoto's Disease.

Hashimoto's disease makes up the majority of the cases diagnosed by the doctors so they go into the details of this disease.