There is legitimate reason to worry about the effect of radioactive contamination of the environment and food chain after the nuclear accident in Japan. I-131 and Cs-137 are the main fission by-products that are released and can cause cancer in humans.
Even though , Japan is not a major world food exporter, several countries have banned food imports from Japan. (Source )
What's your opinion on this issue?
Regards,
Elli







