Huffington Post—October 8, 2009
It is important to remember that radiation is all around us, naturally present in our environment. The actual dosage of background radiation varies with where one lives. The radiation we receive annually is called "background radiation" and is approximately 200-300 millirems (millirems (mrem) is used to measure radiation) per year or 2-3 mSv (another measurement term) effective dose. The "effective" dose is a calculation, which estimates what dose, if given to the entire body, might produce approximately the same amount of risk as would the real dose actually received by the irradiated body part.
How does this translate with imaging studies?
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