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30 lis 2022 · Hyperthyroidism happens when the thyroid gland makes too much thyroid hormone. This condition also is called overactive thyroid. Hyperthyroidism speeds up the body's metabolism. That can cause many symptoms, such as weight loss, hand tremors, and rapid or irregular heartbeat.
Learn about the symptoms, causes, diagnosis and treatment of an overactive thyroid, where the thyroid gland produces too much of the thyroid hormones. Find out how it can affect your heart, mood, weight and more, and when to see a GP.
21 wrz 2023 · An overactive thyroid (hyperthyroidism) is when the thyroid gland makes more hormones than you need. The two main hormones secreted by the thyroid are thyroxine (T4) and triiodothyronine (T3). Thyroid-stimulating hormone (TSH), which comes from the pituitary gland, regulates these hormones.
Thyroid hormone is critical to normal function of cells. In excess, it both overstimulates metabolism and disrupts the normal functioning of sympathetic nervous system, causing "speeding up" of various body systems and symptoms resembling an overdose of epinephrine (adrenaline).
31 paź 2024 · Hyperthyroidism, also called overactive thyroid, happens when your thyroid makes and releases high levels of thyroid hormone. It speeds up several bodily functions, causing symptoms like rapid heart rate, weight loss, increased appetite and anxiety.
30 lis 2022 · If your thyroid gland takes in a high amount of radioiodine, that means your thyroid gland is making too much thyroid hormone. The most likely cause is either Graves' disease or overactive thyroid nodules.
Hyperthyroidism is overactivity of the thyroid gland that leads to high levels of thyroid hormones and speeding up of vital body functions. Graves disease is the most common cause of hyperthyroidism.
