Dr. Jon LaPook explains how radiation can damage human cells and puts what's happening in Japan in perspective
(CBS News)
U.S. officials from President Obama on down are trying to reassure residents of Hawaii, Alaska and the West Coast that there is little chance dangerous levels of radiation from Japan will reach them. But there is still a lot of understandable concern. Dr. Jon LaPook reports on the radiation risk, and the fear factor.
When radiation began leaking from the stricken power plants, the fallout was felt more than 5,000 miles away at a pharmacy near Los Angeles - it was soon sold out of potassium iodide.
Continued @ http://www.cbsnews.com/stories/2011/...in;contentBody



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