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7 Ιουλ 2023 · Excessive exposure to radiation may damage living tissues and organs, depending on the amount of radiation received (i.e. the dose). The extent of the potential damage depends on several factors, including: the type of radiation; the sensitivity of the affected tissues and organs; the route and duration of exposure;
- Ionizing Radiation, Health Effects and Protective Measures
Natural radiation comes from many sources including more...
- Ionizing Radiation, Health Effects and Protective Measures
With each exposure to radiation a person has in their lifetime, there is increased risk of harm. A small dose of radiation (like getting one dental x-ray) carries very low risk. The higher the dose of radiation, the greater the risk.
6 Σεπ 2013 · To cause death within hours of exposure to radiation, the dose needs to be very high, 10Gy or higher, while 4-5Gy will kill within 60 days, and less than 1.5-2Gy will not be lethal in the short...
19 Φεβ 2024 · We receive low doses of radiation from our natural environment every day without much danger. We know that very high radiation doses can lead to serious injury or death. Such radiation doses are far above regulatory safety limits.
1 Ιαν 1994 · The maximum permissible exposure for a person under 18 working with radiation is one-tenth the adult limit or not to exceed 500 millirems per year above the 300+ millirems of natural sources, plus medical radiation. This was established in 1957 and reviewed as recently as 1990. Fetus: 500 Millirems Or 50 Per Month (New Rule Jan. 1, 1994)
18 Μαρ 2011 · A person's radiation exposure due to all natural sources amounts on average to about 2.4 millisievert (mSv) per year. A sievert (Sv) is a unit of effective dose of radiation....
With all the knowledge so far collected on effects of radiation, there is still no definite conclusion as to whether exposure due to natural background carries a health risk, even though it has been demonstrated for exposure at a level a few times higher. Risks and Benefits. We all face risks in everyday life.
