Giving dosimeters to children does not address the problem of "hot particles" of radioactive dust being breathed into the lungs. A dosimeter will not measure these nuclear particles internally, and they can cause cancer over time.
Many articles on radiation exposure fail to recognize that there is a huge difference between the external and internal effects of radiation. This should be stated more clearly so that people with children can make informed decisions about what to do.
The opinions expressed in this letter to the editor are the writer's own and do not necessarily reflect the policies of The Japan Times.
paul frey
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