Graves' disease is an autoimmune disorder which enhances in the overproduction of thyroid hormones. It is also known as toxic diffuse goiter, in which thyroid gland produces excessive hormones. The symptoms of this disorder are diarrhea, weight loss, muscle weakness, heat intolerance, itching and insomnia.
Hyperthyroidism is treated with Surgery or Antithyroid medications or Radioactive iodine. This treatment is aimed at controlling the overactive thyroid. In some cases the disease disappears completely after several years or months. it is 4 to 8 times more common in women than men.
The amount of iodine in the diet can influence the hormone synthesis activity in the thyroid gland. Over hypothyroidism was found in 7% of 558 subjects aged between 85 and 89 years in Leiden, Netherlands. The Prevalance is 8,159 people in the Netherlands out of 16,318,1993 Population Estimated Used.