Graves' disease is the most common cause of hyperthyroidism in the developed world. It is caused by an immune defect in genetically susceptible individuals in whom the production of unique antibodies results in thyroid hormone excess and glandular hyperplasia
Malabsorption,hepatitis,A.Fib, fine resting tremor, tachycardia, hyperreflexia, eyelid lag, warm, smooth skin and proximal myopathy