With over 30 presentations about common medical problems tied to thyroid disease, you’ll learn why the thyroid gland is the master gland in your body–every cell depends on thyroid hormone to function optimally. If you’re not aware of a thyroid problem, you could develop psychological, cardiovascular and neurological disorders. Medications for a variety of symptoms will never solve the problem, but optimizing your thyroid hormone with vitamins, minerals, dietary changes and the right medications can.