Please answer experts.....,,,

Dear student,
Please find below the answer:

The correct option is (2).

The excess secretion of thyroxine by the thyroid gland causes hyperthyroidism which results in Graves' disease.

The symptoms of hyperthyroidism are:  Being restless, nervous, emotional, irritable, sleeping poorly, Losing weight despite an increased appetite Sweating, Diarrhoea, Shortness of breath, Menstrual changes. 

Hope this information clears your doubt.

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