Hyperthyroidism is most commonly caused by Graves disease. The global prevalence is 2% among women and 0.5% among men; if left untreated or undertreated, it can lead to cardiac arrhythmias, ...

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Treatments for hyperthyroidism can stop the overproduction of thyroid hormones. But you’ll need to take medications to manage your thyroid for the rest of your life. Hyperthyroidism, or overactive ...

Subclinical hyperthyroidism means that a person has low or undetectable levels of thyroid-stimulating hormone (TSH) with normal levels of free thyroid hormones. It usually does not cause symptoms. The ...