Recycling: A portion of the more than 4 million tons of gypsum waste that was generated by wallboard manufacturing, wallboard installation, and building demolition was recycled. The recycled gypsum was used chiefly for agricultural purposes and for the manufacture of new wallboard. Other potential markets for recycled gypsum
Even when it's enlarged, your thyroid may produce normal amounts of hormones. It might also, however, produce too much or too little thyroxine and T-3. A number of factors can cause your thyroid gland to enlarge.Among the most common are: Iodine deficiency. Iodine, which is essential for the production of thyroid hormones, is found primarily in seawater and in the soil in coastal areas. Cancer of the thyroid often appears as an enlargement on one side of the thyroid. 2  Pregnancy. 3  A hormone produced during pregnancy, human chorionic gonadotropin (HCG), may cause your thyroid gland to enlarge slightly. 4  Inflammation.
Graves' disease. This is an auto-immune condition and is the commonest cause of an overactive thyroid gland. Toxic adenomas. Nodules develop in the thyroid gland and begin to secrete thyroid hormones, upsetting the body's chemical balance. Some goitres may contain several of these nodules. Subacute thyroiditis. This is where inflammation of the thyroid causes the gland to âleakâ excess hormones, resulting in temporary hyperthyroidism.