A deficiency of which of the following nutrients is the single greatest cause of preventable brain damage and mental retardation?

Question

Quizplus · Accepted Answer

Iodine deficiency is the single greatest cause of preventable brain damage and mental retardation, especially during fetal development and early childhood. Lack of iodine leads to hypothyroidism, which affects cognitive development and can cause goiter, cretinism, and intellectual disability. Adequate iodine intake is crucial for the production of thyroid hormones that are necessary for normal brain function.

A Deficiency of Which of the Following Nutrients Is the Single