Several disorders can affect thyroid function: - Hypothyroidism: Characterized by insufficient thyroid hormone production, leading to symptoms like fatigue, weight gain, and cold intolerance. - Hyperthyroidism: Excessive thyroid hormone production causes symptoms such as weight loss, heat intolerance, and increased heart rate. - Goiter: An enlarged thyroid gland, often due to iodine deficiency or autoimmune diseases. - Thyroiditis: Inflammation of the thyroid gland, which can be acute or chronic.
