Sargodha - Iodine deficiency causes mental retardation and use of Iodized salt is vital to prevent all such disorders, said DCO Azamat Mehmood while presiding over a meeting of District Iodine Deficiency Disorders Control Committee. Ehtshamul Haq Tariq, Field Officer, Micronutrient initiative briefed the committee that severe Iodine deficiency in mothers had reduced from 37% ( NNS 2001) to 4 % only, as depicted in National Nutrition Survey 2011 due to effective implementation of Universal Salt iodization Programme. The EDO Health briefed the committee about the decrease of natural source of KIO3 due to use of fertilizers and sprays. The DCO stressed the need for extensive awareness campaign about Iodine Deficiency Disorders and importance of use of iodized salt