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).
The following thyroid disorders can cause the thyroid gland to secrete too much or too little thyroid hormone: 1  Hyperthyroidism is the condition when the thyroid gland produces too much of the hormones. 2  Hypothyroidism is the opposite condition, in which the thyroid gland doesnât secrete enough of the hormones.