
Having Headache. CT Scan Normal. What Are The Effect Of Radiation?

Thanks for posting your query.
I can understand your concern. Let me first inform you about radiation exposure and related toxicity.
Radiation was discovered late 19th century but the adverse effects was not reported at that time. The genetic effects of radiation, including the effects on cancer risk, were recognized much later. In 1927 Hermann XXXXXXX Muller published research showing genetic effects, and in 1946 was awarded the Nobel prize for his findings.
Two type of toxicity done by radiation stochastic and deterministic effects.
As you have asked about the carcinogenic potential of radiation, yes, radiation can cause cancer. For this reason there are cut off dose of radiation exposure for everyone.
We are exposed to radiation from natural sources all the time. According to recent estimates, the average person in the U.S. receives an effective dose of about 3 mSv per year from naturally occurring radioactive materials and cosmic radiation from outer space.
Computed Tomography (CT)-Head has effective dose 2 mSv which is equivalent to 8 months of normal background radiation , and its carcinogenic potential is very Low.
So you should not worry at all, this radiation dose is unlikely to cause any sort of brain tumor.
Hope this answered your query. Take care.

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