As the world watched the Fukushima reactors spew incalculable quantities of radionuclides into the sea and air and wondered what effect this would have on our health and that of generations to come, the warnings of Dr. Alice Stewart about low-dose radiation risk assumed a terrible timeliness. As industry, governments, and the media attempted to quiet the alarms, assuring us that radioactive releases will dilute and disperse and become too miniscule to matter, the reassurances of Sir Richard Doll, foremost among (...) Stewart's detractors, also became relevant. It is clear, as proponents and opponents of nuclear energy thrash it out, that there is not much more scientific consensus about the hazards of low-dose radiation .. (shrink)