Iodine condition seems to occur mainly in people over forty, and the risk appears higher when iodine deficiency is severe and the initial rise in iodine intake is high. In areas where there is little iodine in the diet, typically remote inland areas and semi-arid equatorial climates where no marine foods are eaten, iodine deficiency gives rise to hypothyroidism, symptoms of which are extreme fatigue, goitre, mental slowing, depression, weight gain, and low basal body temperatures. Iodine deficiency is the leading cause of preventable intellectual disability, a result that occurs primarily when babies or small children are rendered hypothyroidic by a
The Trace (Land Between the Lakes) The Trace (Land Between the Lakes) The Woodlands Trace National Scenic Byway, also known as "The Trace," is the major north–south roadway that traverses the Land Between the Lakes National Recreation Area in two counties in western Kentucky and northwestern Stewart County in northwest Middle Tennessee. It is estimated to be in length. The road is part of the National Scenic Byway system. Although it is not signed, it is listed on LBL's road logs as FD-100. The road is called "The Trace", which is what many roads and paths were called in pioneer times. "Trace" is short for "Buffalo