What are the causes of Iodine Deficiency Disorder (IDD)?Iodine deficiency results in Goiter Physical and mental retardation Subnormal intelligence Neuromuscular weakness Spasticity Hypothyroidism Dwarfism Cretinism Deaf-mutism and defect in vision Frequent abortions, still births or intrauterine death in pregnant mothers Published on Sep 25, 2014Last Updated on Jul 28, 2016