All day, every day, we are exposed to radiation. Health care workers, from technologists and nurses to physicians, know that X-rays and other radiation sources we use can produce cancer, cataracts and other damage to the body. Unfortunately, without an understanding of radiation levels or dosages to the body, radiation is viewed in the following ways: “The doses we use are so small they are harmless,” “I am pregnant, so I cannot risk exposing the child I am carrying to any radiation, therefore I cannot be around any X-ray machines” and everywhere in between. This article will lay out the facts and allow knowledge to inform one’s judgement.

Much of the radiation humans are exposed to is made up of harmless photons that stimulate the rods and cones on our retina to see things in our world. Visible light...

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