Burden attributable to Iodine deficiency in Iran from 1990 to 2019: findings from Global Burden of Disease study.

Introduction: Iodine is necessary for the synthesis of thyroid hormones which rely on sufficient levels of iodine. Iodine deficiency (ID) gives rise to various diseases. This is the first study presenting the epidemiology of ID in the Iranian population from 1992 to 2019.