Radiation Exposure and Medicine

With high-profile historical incidents like the Chernobyl disaster, the meltdown at Three Mile Island, and even more recently at the Fukushima Daiichi nuclear plant in the wake of the 2011 tsunami, radiation exposure can seem like a real risk to public health. However, radiation itself is such a broad category and comes from so many disparate sources, including events as bombastic as solar-system-rending stellar phenomena, all the way down to the potassium found in the humble, every-day grocery store banana. 

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