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.
Tarrant County College District is a dynamic and growing community college in Tarrant County, Texas, serving over 100,000 credit and non-credit students annually through five major campuses in the cities of Hurst/North Richland Hills (Northeast Campus), Fort Worth (South, Northwest and Trinity River Campuses), and Arlington (Southeast Campus).