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Radiation - World Health Organization (WHO) Radiation is energy that travels in the form of waves or particles and is part of our everyday environment People are exposed to radiation from cosmic rays, as well as to radioactive materials found in the soil, water, food, air and also inside the body
Radiation and health Radiation is the emission of energy as electromagnetic waves or moving subatomic particles Natural radiation comes from many naturally occurring radioactive materials found in soil, water, air and in the body Every day, people inhale and ingest forms of radiation from air, food and water
Guidance on radiation and health - World Health Organization (WHO) UV radiation – natural and artificial Human exposure to solar UV radiation may result in acute and chronic health effects of the skin (such as skin cancers) the eye (such as cataracts) and the immune system All skin types can be affected Natural UV radiation levels depend on sun elevation, latitude and altitude, cloud cover and ground
Ionizing radiation and health effects WHO fact sheet on ionizing radiation, health effects and protective measures: includes key facts, definition, sources, type of exposure, health effects, nuclear emergencies, WHO response
Radiation: Ionizing radiation - World Health Organization (WHO) Energy emitted from a source is generally referred to as radiation Examples include heat or light from the sun, microwaves from an oven, X rays from an X-ray tube and gamma rays from radioactive elements Ionizing radiation can remove electrons from the atoms, i e it can ionize atoms
Radiation and health - World Health Organization (WHO) We work to strengthen radiation protection of the public, patients and workers worldwide We provide Member States with evidence-based guidance, tools and technical advice on public health issues related to ionizing and non-ionizing radiation
Microsoft Word - Document1 Radiation exposure Ionizing radiation exposure is measured as "absorbed dose" in gray (Gy) The "effective dose" measured in sievert (Sv) takes account of the amount of ionizing radiation energy absorbed, the type of radiation and the susceptibility of various organs and tissues to radiation damage
Radiation: The Chernobyl accident Among those who survived radiation sickness, recovery took several years Many of them developed radiation-induced cataracts in the first few years after the accident Recent studies of the recovery operation workers indicate that opacities of the eye lens might result from radiation doses lower than previously expected (about 500 mSv)
Radiación y salud - World Health Organization (WHO) La radiación es la emisión de energía en forma de ondas electromagnéticas o partículas subatómicas en movimiento Muchos materiales radiactivos presentes en el suelo, el agua, el aire y nuestro organismo emiten radiación de forma natural, y todos los días inhalamos e ingerimos distintas formas de radiación del aire, los alimentos y el agua En la actualidad, las fuentes artificiales
辐射与健康 - World Health Organization (WHO) 辐射是以电磁波或运动的亚原子粒子形式发射能量。天然辐射来自土壤、水、空气和体内存在的许多天然放射性物质。人们每天通过空气、食物和水吸入和摄入各种形式的辐射。 辐射暴露可能源自天然(如住房内的氡),由计划(医疗、职业)或意外情况引起。这种暴露也可能是通过外部途径