What is the cause of hyperthyroidism?

What is the cause of hyperthyroidism?
  1. Hypothyroidism
  2. Cancer of the thyroid gland
  3. Goitre
  4. Stunted growth

Solution

Hyperthyroidism is caused by cancer of the thyroid gland or by the development of nodules of the thyroid glands, which increases the rate of synthesis and secretion of the thyroid hormones to abnormal high levels.

Asked in: NCERT

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