<unk>  is a condition of severely stunted physical and mental growth due to untreated congenital deficiency of thyroid hormones (hypothyroidism). The term cretin refers to a person so affected.<unk>  is an old name used for congenital hypothyroidism. It includes sporadic<unk>  and endemic<unk> . Sporadic<unk>  is caused by gene mutations, radiation, drugs and so on. Usual symptoms are neurological impairment, low metabolism conditions and infertility. Thyroid hormone replacement is the main treatment. Endemic<unk>  results from a diet deficient in iodine. Iodine deficiency results in enlargement of the thyroid gland, physical development, hypo-evolution and mental development impairment. As a public health problem, many countries have established the policy of iodine administration.
Cretinism
Pretzel Syndrome
Aagenaes syndrome
Panayiotopoulos syndrome
Cowden syndrome
Familial adenomatous polyposis
Pierson syndrome
De Grouchy Syndrome