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.
For communities with a similar name, see Princeton (disambiguation). Princeton is a city in Patoka Township, Gibson County, Indiana, United States. The population was 8,644 at the 2010 census, and it is part of the greater Evansville, Indiana, Metropolitan Area. The city is the county seat of and the largest city in Gibson County.