If you're worried about radiation dose and health effects in the wake of the hurricane- and tsunami-induced damage to the Japanese nuclear power plants, then I would highly recommend that you take a look at this Radiation Infographic.[ref]Source: xkcd.com. Licensed under CC-BY-NC-2.5[/ref]
Radiation Dose Chart
More than likely, this infographic should help to allay some unwarranted fear about radiation and health effects.
(h/t: @BradleyPotter)
