胎儿期和婴幼儿期是大脑发育的重要时期,此阶段缺碘会影响大脑正常发育。儿童和青少年处于生长发育期,缺碘会对智力和身体发育造成损害。成人缺碘可能会导致甲状腺功能低下,易疲劳、精神不集中、工作效率下降。2015年5月15日是全国第22个防治碘缺乏病日,今年提倡“科学补碘,重在生命最初1000天——预防智力残疾从胎儿开始”。目前,我国接近98%的县、市、区已经消除了 Fetal and infancy is an important period of brain development, iodine deficiency during this stage will affect the normal development of the brain. Children and adolescents are in a period of growth and development, and iodine deficiency can cause mental and physical development damage. Idiopathic adults can cause hypothyroidism, fatigue, lack of concentration, and decreased productivity. May 15, 2015 is the 22nd national day for prevention and treatment of iodine deficiency. This year, we advocate “scientific iodine supplementation, focusing on the first 1,000 days of life - to prevent intellectual disabilities from starting with the fetus.” At present, nearly 98% of the counties, cities and districts in our country have been eliminated