You will receive answers to the following questions: - Why the application of l-thyroxine may be harmful and lead to symptoms of hyperthyroidism including an anxiety disorder - Why dietary supplementation is rarely effective, but raising your body's iron content will boost your immune system - The difference between l-thyroxine and natural thyroid extract in the treatment of hypothyroidism - Why homeopathic milk remedies are essential to the treatment of Hashimoto's thyroiditis - The role of cell salts in the treatment of this disease. Berndt Rieger, M.D., is an internal specialist and naturopath based in Bamberg, Germany.