Not having enough iodine in the diet is a rare cause of hypothyroidism in the U.S. Other causes of primary hypothyroidism include: 1  Certain drugs such as lithium. 2  Radiation exposure to the neck. 3  Radioactive iodine used for treatment of hyperthyroidism (overactive thyroid). 4  Special x-ray dyes.
Princeton, TX. Princeton is located in northeast Texas. Princeton is part of Collin County. Princeton has 7.40 square miles of land area and 0.06 square miles of water area. As of 2010-2014, the total Princeton population is 7,520, which has grown 116.28% since 2000.
Burleson County (/ËbÉËrláµ»sÉn/ BUR-li-sÉn) is a county located in the U.S. state of Texas. As of the 2010 census, the population was 17,187. Its county seat is Caldwell. The county is named for Edward Burleson, a general and statesman of the Texas Revolution.