For a single return trip from Paris to Brussels, a point to point ticket is the best value for money and the cheapest train ticket. Best prices are available when buying the train ticket well in advance. For extensive train travel, a rail pass for France and Belgium is a better choice.
creÂ·tinÂ·ism. n. A congenital condition caused by a deficiency of thyroid hormone during prenatal development and characterized in childhood by dwarfed stature, mental retardation, dystrophy of the bones, and a low basal metabolism. Also called congenital myxedema. (ËkrÉtÉªËnÉªzÉm).
Here are the major causes, from the most to the least common. 1  Autoimmune disease. 2  Surgical removal of part or all of the thyroid gland. 3  Radiation treatment. 4  Congenital hypothyroidism (hypothyroidism that a baby is born with). 5  Thyroiditis. 6  Medicines. 7  Too much or too little iodine.The thyroid gland must have iodine to make thyroid hormone.