Background radiation, that is the radiation which is found everywhere from environmental causes, in the air so to speak, has increased because of nuclear plants and nuclear testing 40 times since 1950. Today the background count, depending on elevation, is about 60 counts per minute.
What Fukushima may cause is Strontium, Cesium, Iodine and Plutonium fallout. It would be found in rain water and perhaps on this side of the pond, weakly in food. Some food containing potassium is already weakly radioactive. (Bananas)
Living in a granite building, flying in a commercial aircraft, radon from basements, lighting a gas lamp mantle, having an X-Ray, working in an underground mine, produces far more radiation exposure than Fukushima totally, but the type of contamination Fukushima spreads is worrying. It ends up being ingested in the body and getting into the bones, increasing leukemia.
Northern Ontario is about the most radioactive place on earth because of the large rock exposure containing granites and veins with pitchblende. Most of these occurrences are not mineable. Strangely where the best uranium deposits come from, Saskatchewan basin, there is a very low radiation level, because of the mass of very well sorted sandstone in the basin.
I don't know how to evaluate the link below, but it would not be the first time we have been lied to by government.
straight.com 
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