U.S. Radiation Risk
Radiation threats to the US
Radiation threats to the US
With reports that a radiation plume from the Fukushima Dai-ichi Nuclear Plant could reach Southern California, worried citizens have been hoarding certain pills , wondering if it's OK to go outside and otherwise fretting over an invisible, and somewhat unpredictable, threat.
But all that worrying might cause more harm than the radiation itself, experts say. Here are some answers to common concerns.
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