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.
The most common cause of hyperthyroidism is the autoimmune disorder Gravesâ disease. In this disorder, the body makes an antibody (a protein produced by the body to protect against a virus or bacteria) called thyroid-stimulating immunoglobulin (TSI) that causes the thyroid gland to make too much thyroid hormone. Gravesâ disease runs in families and is more commonly found in women.