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What is the added risk of cancer from ionising radiation?

April 26, 2017added cancer ionising radiation risk

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What is the added risk of cancer from ionising radiation?

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When considering radiation induced cancer, it must be remembered that naturally occurring cancer is unfortunately very common anyway. Regrettably, in developed countries, about 230,000 persons in every million (more than 1 in 5) die from naturally occurring cancer. The International Commission for Radiological Protection (ICRP) estimates that an additional death rate of 12.5 persons per million for every mSv of exposure. This means that if a million people were given 2 mSv of radiation, the expected additional death rate from cancer would be 25 additional persons or 230,025 instead of 230,000 persons out of a million dying from naturally occurring cancer.