What is overactivity of the thyroid gland called?

Overactivity of the thyroid gland is referred to as hyperthyroidism. This condition occurs when the thyroid produces excessive amounts of thyroid hormones, which can lead to an increased metabolic rate and various symptoms such as weight loss, rapid heartbeat, and increased sensitivity to heat. Hyperthyroidism can arise from several causes, including Graves' disease, toxic adenomas, and thyroiditis, but the common factor is the overproduction of thyroid hormones.

Understanding this condition is important for those studying esthetics, as thyroid imbalances can affect the skin and overall health, influencing the approach to treatment and care for clients experiencing these issues.