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).
Hypothyroidism, or low thyroid and sometimes hypothyreosis, is a common disorder of the endocrine system in which the thyroid gland does not produce enough thyroid hormone.It can cause a number of symptoms, such as poor ability to tolerate cold, a feeling of tiredness, and weight gain.In children, hypothyroidism leads to delays in growth and intellectual development, which is called cretinism in severe cases.orldwide, too little iodine in the diet is the most common cause of hypothyroidism. In countries with enough iodine in the diet, the most common cause of hypothyroidism is the autoimmune condition Hashimoto's thyroiditis.