This book is written for interested doctors as well as patients who want to learn more about the thyroid gland and the causes behind thyroid dysfunction. It takes us on a journey through the body and explains how the thyroid gland works and interacts with different organs. It also gives the patient an understanding of their disease as well as knowledge and important tools with which to motivate their doctor. The book also addresses how nutrition, environment and lifestyle factors affect the thyroid gland and adrenal gland function. Dr. Azin Sandberg's long experience in the treatment of thyroid diseases is presented in an easily accessible way together with informative patient cases. The latest treatment methods and published studies in the field are also presented here. In the book, the author also talks about her own thyroid disease and experiences dealing with the Swedish healthcare system. How by combining classical school medicine with the knowledge of the body's need to stabilize minerals, vitamins and hormones, she managed to cure herself. This is a book that the author herself wished she had received in her hand when she was sick. Dr . Sandberg is a licensed physician and specialist in family medicine with more than 23 years of experience in healthcare. In recent years, she has been more focused on, and treating patients with hormonal problems, especially thyroid diseases.