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.
ARGYLE, TX. ARGYLE, TEXAS. Argyle is on U.S. Highway 377 and the Missouri Pacific Railroad six miles southwest of Denton in southwestern Denton County. Between 1850 and 1867 fourteen families settled in the area under the auspices of the Peters colony, and in the 1850s twenty-nine families settled on vacant or unclaimed land in the area.