GENERAL KNOWLEDGE

Detailed explanation-1: -Many people don’t know they have an iodine deficiency. However, some people who don’t have enough iodine develop a goitre, or enlargement of the thyroid gland in the neck. Iodine deficiency can also lead to hypothyroidism, (underactive thyroid, where there is too little of the thyroid hormone).

Detailed explanation-2: -Population effects of severe iodine deficiency, termed iodine deficiency disorders (IDDs), include endemic goiter, hypothyroidism, cretinism, decreased fertility rate, increased infant mortality, and mental retardation.