How heaps Xrays / MRI's. is "a lot" ?
how much is too much?
Answers: It depends not simply on the amount of radiation use, but the time period over which it is spread.
A typical x-ray delivers 0.01 REM (which would be 10mrem).
If we look first at doses received within a short amount of time, (acute doses), the first biological effect begins to be able to be detected by laboratory analysis at 10,000 to 25,000 mrem (millirem).
So you'd own to have about 1000 x-rays within a short amount of time to be harmed.
Not sure about MRIs
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