Radiation Exposure
The term radiation exposure refers to any occasion on which a human or other animal or a plant has been placed in the presence of radiation from a radioactive source. For example, scientists have learned that the radioactive element radon is present in the basements of some homes and office buildings. Radon gas gives off radiation that can cause damage to human cells. Anyone living in a home or working in an office where radon is present runs some risk of being exposed to the radiation from this element.
The term radiation itself refers both to high speed subatomic particles, such as streams of alpha particles or beta particles, and to electromagnetic radiation. Electromagnetic radiation is...
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