Mourning friends or family who haven't survived.Experiencing a radioactive accident or attack.Having radiation sickness can contribute to both short-term and long-term mental health problems, such as grief, fear and anxiety about: Regions of the body most vulnerable to high-energy radiation are cells in the lining of your intestinal tract, including your stomach, and the blood cell-producing cells of bone marrow. Radiation sickness occurs when high-energy radiation damages or destroys certain cells in your body. Detonation of a standard nuclear weapon.Detonation of a conventional explosive device that disperses radioactive material (dirty bomb).Detonation of a small radioactive device.An attack on a nuclear industrial facility.An accident at a nuclear industrial facility.Possible sources of high-dose radiation include the following: Radiation sickness is caused by exposure to a high dose of radiation, such as a high dose of radiation received during an industrial accident. Radiation is the energy released from atoms as either a wave or a tiny particle of matter. If you know you've been overexposed to radiation, seek emergency medical care. If such an event occurs, monitor radio, television or online reports to learn about emergency instructions for your area. Bloody vomit and stools from internal bleedingĪn accident or attack that causes radiation sickness would no doubt cause a lot of attention and public concern.But with severe exposure, signs and symptoms can begin minutes to days after exposure. If you've had a mild exposure, it may take hours to weeks before any signs and symptoms begin. The amount of time between exposure and when these symptoms develop is a clue to how much radiation a person has absorbed.Īfter the first round of signs and symptoms, a person with radiation sickness may have a brief period with no apparent illness, followed by the onset of new, more-serious symptoms. The initial signs and symptoms of treatable radiation sickness are usually nausea and vomiting. For instance, the gastrointestinal system and bone marrow are highly sensitive to radiation. The severity of radiation sickness also depends on how sensitive the affected tissue is. Signs and symptoms are also affected by the type of exposure - such as total or partial body. How much you absorb depends on the strength of the radiated energy, the time of your exposures, and the distance between you and the source of radiation. The severity of signs and symptoms of radiation sickness depends on how much radiation you've absorbed.
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