Goitre was previously common in many areas that were deficient in iodine in the soil. For example, in the English Midlands, the condition was known as Derbyshire Neck. In the United States, goitre was found in the Appalachian, Great Lakes, Midwest, and Intermountain regions. The condition is now practically absent in affluent nations, where table salt is supplemented with iodine. However, it is still prevalent in India, China,"In Raising the World's I.Q., the Secret's in the Salt", article by Donald G. McNeil, Jr., 16 December 2006, The New York Times Central Asia, and Central Africa.
Goitre was previously common in many areas that were def!icient in iodine in the so.il. For example, in the English Midlands, the condition was known as Derbyshire Neck. In the United States, goitre was, found in the Appalachian, Great Lakes, Midwest, and Intermountain regions. The condition is now practically absent in affluent nations, where table salt is supplemented wit!h iodine. However, it is still prevalent in India, China,"In Raising the World's I.Q., the Secret's in the Salt", article by Donald G. McNeil, Jr., 16 December 2006, The New York Times Central Asia, and Central Africa.