In Nabok's village, experts say, the biggest concern was radioactive iodine. 在納伯克的村莊里,專家說,最需要關心的是輻射性的碘。
Cretinism occurs when the mother does not have sufficient iodine in her diet at a certain point during pregnancy. 當母親在懷孕期間的某個特定時間點上沒有能夠從她的日常食物中獲取足夠的碘的話,就會導致嬰兒克汀病的發生。