you about how to go safely about cleaning that up. see you in a short while. japan's health minute riftistrif ministry has found radiation on food imported from japan. a doctor is a leading authority in preventive medicine and medical nutrition. good day to you. when you hear about radiation contamination, does that set you into a state of panic or are you of the belief like some that small amounts is almost like what we get in a daily sense of exposure. >> it is important to take perspective here. around the power plant itself there are significant problems and people exposed there are going to be at long-term rask. for people in the united states, particular on the west coast and for people that have been going out purchasing iodine tablets, those risks are extremely small. the background radiation that we