Age dependence of radiation cancer death.
Children and young people is a prosperous of cell division are susceptible to radiation.
(please check the table, which is Dr. J. W. Fofman's Date.)
Chromosomal damage such as inversion and translocation caused by radiation brings leukemia and cancer deaths, teratogenicity, a variety of symptoms.
In Fukushima Prefecture, Japan, thyroid disorder is discovered from children dozens already. Incidence of thyroid disorders in total number of children is high enough to not be considered in the normal.
However, local governments and hospitals affected by the central government tells residents of Fukushima Prefecture that "health damage is not confirmed. Causal relationship to radiation has not been confirmed".