碘与人体健康

Iodine and Human Health

本文综述了碘对人体的生理作用及过量食用碘的危害。碘是人体必需的营养元素，能促进其生长发育。碘缺乏或过量都会使人甲状腺功能减退，智力低下。所以人们在补充碘的同时，要注意避免过量的碘对人体健康造成的伤害。

This paper summarize the physiological action of iodine on human body and the harm of excessively eating iodine. Iodine is an essential nutritious element of human body; it stimulates human＇s growth and development, Both deficiency and excess of iodine cause hypothyroidism and hypophrenia. Therefore, when people supplement iodine, the harmful effect of excessive iodine on body should be carefully avoided at the same time.