What diseases occur when there is an excess and a lack of production of thyroid hormones? How are they characterized?
With a lack or excess of thyroid hormones, hypothyroidism and hyperthyroidism occur, respectively. Hypothyroidism leads to swelling of the mucous membranes, organs become edematous (myxedema), drowsiness, depression, obesity can also develop, in children, a lack of thyroid hormones can lead to cretinism. With hyperthyroidism, Graves’ disease develops, which is characterized by the presence of diffuse goiter, bulging eyes, weight loss, tremors of the hands and eyelids, sweating, and insomnia.
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