The thyroid gland functions normally by producing hormones that regulate your body's metabolism effectively. These hormones are secreted into your bloodstream, including the thyroid-stimulating hormone (TSH) which is released by your pituitary gland and should maintain a consistent level as it circulates. Fluctuations in hormone levels occur with changes in your blood, ensuring that the regulation of thyroxine (T4) levels remains stable and responds appropriately. Occasionally, the thyroid gland may not produce the correct amount of thyroid hormones. This can lead to either an excess or a deficiency of hormone production, resulting in an underactive metabolism (hypothyroidism) or an overactive metabolism (hyperthyroidism). Symptoms of hyperthyroidism and hypothyroidism Both thyroid conditions are serious and necessitate medical intervention. Several symptoms overlap between the two, necessitating a blood test for an accurate diagnosis. Two types of thyroid disease Hyperthyroidism s...