Thyroid Cancer Symptoms, Risks, Treatment & Long-Term Outlook

5. The main function of the thyroid gland is the production of the necessary hormones to maintain a comfortable life of the body. This organ is located at the bottom of the throat, next to the center of the body and not far from the heart. The main hormone that produces the thyroid gland is thyroxine. Because of the shortage of different substances, the body is able to experience greater stresses and become weaker every day.