Dr. Paul Gully, senior medical adviser with Health Canada, talks about whether Canadians should worry about radiation exposure from Japan

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Radiation from Japan following the March 11 earthquake and tsunami is not expected to pose a safety risk to Canadians, Prime Minister Stephen Harper says.    Powered by www.newslook.com  Producer : CBC

Dr. Paul Gully, senior medical adviser with Health Canada, talks about whether Canadians should worry about radiation exposure from Japan official