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.
Homefacts City Report. Princeton is located in Franklin County, KS. The population is 302, making Princeton the 6th largest city in Franklin County. There are 0 public schools in Princeton with an average Homefacts rating of NA. The total crime rate for Princeton is low, and there are 2 registered sex offenders residing in the city.