How Did the Qinba Mountains Become the Area with the Worst Iodine Deficiency Disease inChina History?
For a long time,the residents of Qinba Mountains have suffered from iodine deficiency.In addition to the endemic goiter(gall disease)traditionally being a concern,endemic cretinism is also prevalent in the area.The mountain development movement since the Ming and Qing Dynasties has exacerbated the iodine deficiency disease of the area.In addition to natural factors,more direct factors contributing to the severity of iodine deficiency diseases include:unreasonable development patterns,the use of low-iodine river water instead of iodine-rich spring water as the water source,a diet heavily rely on iodine-poor corn,and the distribution of Ning salt from,which contains almost no iodine,as the main edible salt.Iodine deficiency disease in the Qinba Mountains is a realistic reflection of the sharp contradictions between humans and the environment in the area.
Qinba Mountainsgoiteriodine deficiency diseaseNing salt
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