What Causes Polyphagia?

Hyperthyroidism

Hyperthyroidism is caused by an overactive thyroid gland that releases too much of the thyroid hormone, referred to as T3 and T4, into the bloodstream. These hormones are necessary for metabolism regulation, protein synthesis, and help keep energy levels up. Symptoms of hyperthyroidism include increased heartbeat, heat intolerance, frequent bowel movements, and weight loss. It causes the body to utilize energy faster than normal, which leads individuals to feel hungry more often than normal, resulting in polyphagia. Treatment for this condition is often difficult but can be done with radioactive iodine. This treatment may, however, cause hypothyroidism, the polar opposite, which requires medication to regulate thyroid hormone production.

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