“…In areas where iodine intake is low, hypothyroidism, 31 different degrees of intellectual impairment and even cretinism can sometimes affect a significant proportion of people, even if mean serum T4, T3 and TSH levels are within normal ranges. 32 In conclusion, despite the fact that IDD control programmes were initiated in the Sudan more than 25 years ago, IDDs continue to be an important public health problem in the country. Although imported iodized salt is commercially available, no data on its consumption exist.…”