Articles — iodine excess

Congenital hypothyroidism (CH) is a deficiency in thyroid hormone production from the moment a child is born. This disorder can be caused by nutritional deficiencies or excesses or other conditions such as thyroid dysgenesis; a partially or fully incomplete development of the thyroid. Unfortunately, it affects more than 1 in 4,000 infants. The thing about CH is that symptoms are often subtle or non-existent at the time of birth because the child often receives thyroid hormone from his or her mother. That means that around that time, there is no real way to tell whether the abnormality is present or not....