![]() In general, employers cannot allow employees to be exposed to levels of radiation over a certain (low) limit without telling them of the risks. If you work someplace where radiation exposure is likely, your employer can tell you which agency sets the standards for your workplace. Each agency is responsible for a different set of workplaces, but all follow the same general principles. In the US, several federal agencies are charged with protecting workers from radiation exposure, including the Occupational Safety and Health Administration (OSHA), the Nuclear Regulatory Commission, and the Department of Energy. It’s important for parents to ask questions before the child has a test such as an x-ray or CT scan, to make sure that the test is really needed and, if it is, that the facility is experienced in adjusting radiation doses for children. For childrenĮxposure to radiation from imaging tests is of particular concern in children because their bodies are smaller and more sensitive to radiation. For example, a lead apron can sometimes be used to protect parts of your chest or abdomen from getting radiation, and a lead collar (known as a thyroid shield or thyroid collar) can be used to protect your thyroid gland.įor more detailed information about radiation doses from imaging tests in adults, see Understanding Radiation Risk from Imaging Tests. If you do need a test that will expose you to some radiation, ask if there are ways to shield the parts of your body that aren’t being imaged from being exposed. But if there is a reason to believe that an x-ray or CT scan is the best way to look for cancer or other diseases, a person will most likely be helped more than the small dose of radiation can hurt. Sometimes, other imaging tests that don’t use radiation such as ultrasound or MRI might be an option. The usefulness of the test must always be balanced against the possible risks from exposure to the radiation. But radiation exposure from all sources can add up over one’s lifetime, so imaging tests that use radiation should only be done if there is a good medical reason to do so. ![]() The increased risk of cancer from exposure to any single imaging test is likely to be very small. ![]() We are all exposed to some amount of radiation just from being on this planet. You can, however, limit your exposure to some sources of radiation, such as x-rays from imaging tests, radiation in the workplace, and radon in your home. ![]()
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