Department of Buildings requirements. The information included in these Guidelines can be used for the. evaluation of existing porches and decks as well as the design of new. structures. Tables are provided to assist in determining the load. capacity of joists, beams, columns and bolted connections for simple. structural configurations.
The causes of cat hyperthyroidism may include: 1  A high amount of benign cells in the thyroid gland, which is the most common cause of hyperthyroidism in cats. 2  These cells may cluster in small nodules on the thyroid gland; these nodules are known as adenomas.
BACKGROUND. One of the most common causes of hyperthyroidism is Gravesâ disease, an autoimmune process in which the patientâs immune cells make antibodies against the thyroid stimulating hormone (TSH) receptor on the thyroid gland cells.hese antibodies can either turn on the thyroid (Gravesâ disease, hyperthyroidism) or turn it off (Hashimotoâs thyroiditis, hypothyroidism). Goiter: a thyroid gland that is enlarged for any reason is called a goiter.