Radioactivity: Radon Gas, its Properties and the Risks of Increasing its Concentration

E. Salman, Amenah Kadhim Murad
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Abstract

The adverse health effects of exposure to radon are caused primarily by damage due to alpha-particles. The possible effects will depend on exposure level. The main danger from high radon exposure is an increased risk of lung cancer. Radon as a noble gas is rapidly exhaled after being breathed in; however, radon progeny combine with other molecules in the air and with particles of dust, aerosols or smoke, and readily deposit in the airways of the lung. While lodging there, the progeny emit ionizing radiation in the form of alpha particles, which can damage the cells lining the airways. Experiments have confirmed that ionizing radiation affecting bronchial epithelial cells could cause cancer.
放射性:氡气,其性质和增加其浓度的风险
接触氡对健康的不利影响主要是由α粒子造成的损害造成的。可能产生的影响取决于暴露程度。高氡暴露的主要危险是增加患肺癌的风险。氡是一种惰性气体,吸入后迅速呼出;然而,氡的子代与空气中的其他分子以及灰尘、气溶胶或烟雾颗粒结合,很容易沉积在肺部的气道中。在那里,它们的后代会以α粒子的形式释放电离辐射,这种辐射会损害气道内壁的细胞。实验证实,电离辐射影响支气管上皮细胞可导致癌症。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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