Abstract:

Iodine deficiency has an important influence on brain tissue and thyroid function. In order to formulate prevention measures and provide epidemiology survey data, iodine in Children's urine, the water and feed were analyzed with arsenic cerium spectrophotometry and children's intelligence within 8-13 years old was tested with International Raven intelligence test in some rural area of Ningwu and Taigu County. The results showed that these rural areas in Ningwu were iodine deficiency and children's intelligence level was low, which belongs to the severe iodine deficiency areas. So Dazai village of Ningwu could be the collection area of low iodine feed.