Efficacy and Safety of Long-Term Universal Salt Iodization on Thyroid Disorders: Epidemiological Evidence from 31 Provinces of Mainland China

Authors: Yongze Li, Di Teng, Jianming Ba, Bing Chen, Jianling Du, Lanjie He, Xiaoyang Lai, Xiaochun Teng, Xiaoguang Shi, Yanbo Li, Haiyi Chi, Eryuan Liao, Chao Liu, Libin Liu, Guijun Qin, Yingfen Qin, Huibiao Quan, Bingyin Shi, Hui Sun, Xulei Tang, Nanwei Tong, Guixia Wang, Jin‐an Zhang, Youmin Wang, Yuanming Xue, Li Yan, Jing Yang, Lihui Yang, Yongli Yao, Zhen Ye, Qiao Zhang, Lihui Zhang, Jun Zhu, Mei Zhu, Guang Ning, Yiming Mu, Jiajun Zhao, Zhongyan Shan, Weiping Teng - Thyroid 2020 cited by 366

The long-term mandatory USI program with timely adjustments is successful in preventing iodine deficiency disorders, and it appears to be safe. The benefits outweigh the risks in a population with a stable median iodine intake level of up to 300 μg/L.