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 due to thyroid hormone deficiency during fetal development and marked in childhood by dwarfed stature, mental retardation, dystrophy of the bones, and a low basal metabolism. Also called congenital myxedema, cretinoid dysplasia.
1 Hypothyroidism: Low production of thyroid hormone. 2  Thyroid damage caused by autoimmune disease is the most common cause of hypothyroidism. 3  Graves disease: An autoimmune condition in which the thyroid is overstimulated, causing hyperthyroidism. Thyroid nodule: A small abnormal mass or lump in the thyroid gland. 2  Thyroid nodules are extremely common. 3  Few are cancerous. 4  They may secrete excess hormones, causing hyperthyroidism, or cause no problems. 5  Thyroid storm: A rare form of hyperthyroidism in which extremely high thyroid hormone levels cause severe illness.