地甲病属于生物地球化学性疾病,因此对其防治必须世世代代持之以恒。特别是当通过一系列艰苦细致的防治工作之后,病情取得了大幅度下降的成果时,防治措施更不能放松。否则,病情就会回升,克汀病也可能“卷土重来”。所以,无论是从指导防治工作的实际需要出发,还是从衡量地甲病的远期效果来 Toya disease is a biogeochemical disease, so its prevention and treatment must be for generations to come. Especially after a series of painstaking efforts to prevent and control the disease, the disease has achieved a sharp decline in the results, prevention and control measures can not relax. Otherwise, the condition will pick up, cretinism may also “come back.” Therefore, both from the actual needs of guidance and prevention work, or to measure the long-term effects of toke disease