Understanding the Thyroid Gland and Its Role in Your Body The thyroid gland plays a crucial role in regulating your body's metabolism through hormone production. These hormones, primarily thyroxine (T4) and triiodothyronine (T3), enter the bloodstream and are regulated by the thyroid-stimulating hormone (TSH) from the pituitary gland. This delicate balance ensures that your metabolism operates efficiently, adjusting hormone levels based on your body's needs. Occasionally, the thyroid may produce either too much or too little hormone, leading to hyperthyroidism (overactive thyroid) or hypothyroidism (underactive thyroid), both of which can significantly affect overall health. Common Thyroid Disorders and Symptoms Symptoms of Hyperthyroidism Unexplained weight loss Rapid heartbeat or palpitations Nervousness or anxiety Muscle weakness Tremors or shaking hands Irregular menstrual cycles Insomnia Eye bulging or vision changes Intole...