By a Japanese government-backed researcher.
He says:
"To put it the other way round, we can't say risk of cancer will rise if you are exposed to radiation lower than 100 millisieverts," he said, adding that most people measured had radiation exposure of 20 millisieverts or less."
Well, a single photon of radiation can damage DNA. Since cancer results from damaged DNA, a single photon (let alone 100 mSv) increases the risk of cancer.
But the risk increase is low and should not be worrisome.
He is wrong to frame the science the way he has.
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