51.   The thyroid gland is particularly effected by radioactivity because of its capacity to store iodine, including radioactive iodine, according to the study.

52.   They work by topping up the thyroid gland with iodine, which blocks the absorption of radioactive iodine.

53.   Young children also absorbed higher concentrations of radioactive iodine by inhalation and in their food.

54.   The government and plant officials have said radioactive iodine has leaked into coolant water circulating inside the reactor between July and September.