radon exposure Articles

  • Exposure to radon in tourist caves in Cuba

    With the objective of estimating the dose due to radon-222 received by tour guides and other people who work inside some of the most important tourist caves in the Republic of Cuba, measurements of radon concentrations were carried out in four of these caves. All the studied caves are located in Vinales Valley (Pinar del Rio City), a very important tourist area in the country. The relationship ...


    By Inderscience Publishers

  • One century of radon therapy

    Supplementing a recent review, "Health effects of high radon environments in Central Europe: another test for the HLNT hypothesis", this review of medical radon applications (in particular for the treatment of painful degenerative joint and spine diseases) covers mainly the first century of large-scale use and scientific studies on this subject since the discovery of radon. Most of the studies ...


    By Inderscience Publishers

  • Prevention measures against radiation exposure to radon in well waters: analysis of the present situation in Finland

    Naturally occurring radioactive elements are found in all groundwaters, especially in bedrock waters. Exposure to these radioactive elements increases the risk of cancer. The most significant of these elements is radon which, as a gas, is mobile and dissolves in groundwater. In Finland, water supply plants are obliged to carry out statutory monitoring of the water quality, including radon. ...


    By IWA Publishing

  • Czech studies of lung cancer risk from radon

    Epidemiological evidence of lung cancer risk from radon is based mainly on studies of men employed underground in mines. One such study among uranium miners was established in 1970 by Josef Sevc. During the 1980s, another occupational study followed. In 1989, Sevc designed a new large cohort study among inhabitants exposed to high radon concentrations in homes. The paper reports recent results ...


    By Inderscience Publishers

  • Effects of chronic radon-related external and internal irradiation: assessment of the dose effect curve below 200 mGy

    The long-term effects of professional exposure to radon are well-known. They result from the combined action on the lung epithelia of α-radiation due to radon inhalation and deposition in the lung of its decay products and external γ-radiation from uranium, thorium and their progeny. According to the guidelines applied by the USEPA and recommended by the ICRP, the maximal exposure in ...


    By Inderscience Publishers

  • Short-term radon inhalation induces significant survival adaptive response in Balb/c mice

    According to the World Health Organization (WHO), the main health hazard from high radon exposure is an increased risk of lung cancer. In this study, 60 male Balb/c mice (20-30 g) were randomly divided into four groups of 15 animals. The animals in the 1st group were kept for 72 hours in an ordinary cage while the 2nd, 3rd, 4th groups were kept in cages with artificially elevated levels of ...


    By Inderscience Publishers

  • Correlation between radon levels and lung cancer mortality rates: experimental and theoretical problems

    Radon is a radioactive gas and is present in most earth materials such as soil, stone, air, water and others. Comprehensive and scientifically rigorous studies found a low lung cancer mortality rate in high radon areas. It is opposite to the linear no-threshold hypothesis (LNTH), which is a popular theory in the field of radiation safety. The fact is explained by the theory of energy transfer ...


    By Inderscience Publishers

  • The radiological impact of the presence of radon, thoron and their progeny in the environment of a liquid petroleum gas bottling plant

    The seasonal variation of the activity of radon, thoron and their progeny has been measured, and the annual exposure, lifetime fatality risk and annual effective dose to the workers in a Liquid Petroleum Gas (LPG) bottling plant due to exposure from a mixed field of radon and thoron have been calculated over the four seasons of the year. The measurements were carried out using a passive ...


    By Inderscience Publishers

  • Monitoring radon and its progeny in the environment of the vertical 15 UD Pelletron accelerator facility

    Environmental radioactivity due to radon and its progenies in the ambient air at the vertical 15 UD Pelletron accelerator facility of the Inter University Accelerator Centre, New Delhi, India was evaluated to calculate the annual effective dose to the workers and users. The radon activity was measured with an active monitor. The activity concentrations of the radon progenies were measured ...


    By Inderscience Publishers

  • Measurements of 226Ra, 232Th and 40K using gamma spectrometry to assess a first-order exposure risk for residents of Western Haryana, India

    The measurements of 226Ra, 232Th and 40K using gamma spectrometry and measurements of radon concentration and exhalation rates using solid-state nuclear track (LR-115, Type-II plastic) detectors were used to assess a first-order exposure risk for people residing in the Fatehbad and Hissar districts in Western Haryana, India. The concentrations of radium, thorium and potassium in the soil samples ...


    By Inderscience Publishers

  • Radiation prevents much cancer

    Evidence reviewed here supports the concept that chronic exposure to ionising radiation can dramatically decrease cancer incidence and mortality. This evidence includes an inverse relationship between radiation levels and cancer induction and/or mortality in: over 200 million people in the USA; 200 million people in India; 10,000 residents of Taipei who live in cobalt-60 contaminated homes; high ...


    By Inderscience Publishers

  • Annual effective dose measurement from consumption of Dimeh Springs in the highest altitude region of Iran

    Two of the main sources of public exposure from natural radioactivity are radium and radon, and their short-lived decay products. The aim of this study is to determine the concentration of these radionuclides in the mineral water resources of one of the highest-altitude regions (Zagros Mountains) in Chaharmahal and Bakhtiari Province, in the south-west of Iran, namely Dimeh Springs. Eighty ...


    By Inderscience Publishers

  • Abundant health from radioactive waste

    When beliefs are abandoned and evidence from only whole body exposures to mammals is considered, it becomes obvious that increased ionising radiation would provide abundant health. The best source for that increased exposure is radioactive waste. A radiation deficiency is seen in a variety of species, including rats and mice; the evidence for a radiation deficiency in humans is compelling. We ...


    By Inderscience Publishers

  • Radiological safety and environmental monitoring aspects of mining and processing of uranium ore at Jaduguda, India

    Low–grade uranium ore is mined and processed in India since the early 1970s. To adhere to the regulatory compliance monitoring of external gamma level, radon and long–lived alpha activity of ore dust is carried out in uranium mines. Apart from this, surface contamination is also monitored in radiologically important areas of ore processing plant. Exposure of occupational workers is evaluated ...


    By Inderscience Publishers

  • Lessons to be learnt from epidemiological studies in radiation-exposed people

    The research into the cancer risk posed by radioactive pollution played a pilot role in changing our awareness of long-term health damage from invisible pollution of the environment. Most paradigms, concepts and methods of environmental research used today have been developed in the course of those large scale epidemiological studies such as questions relating to latency, type of cancer, genetic ...


    By Inderscience Publishers

  • Radiation hormesis: the validity of the linear no-threshold hypothesis

    Through various researches and investigations it has been established that high doses of ionising radiation are harmful to health. There is substantial controversy regarding the effects of low doses of ionising radiation despite the large amount of work carried out (both laboratory and epidemiological). According to the linear no-threshold hypothesis, any amount, however small, of radiation is ...


    By Inderscience Publishers

  • Ionising Radiation

    Introduction The energy level of some types of radiation is high enough so that when they interact with matter they cause the formation of electrically charged particles or ion-pairs and break molecular bonds. These so-called ionising radiations are by their nature potentially harmful to life; at high doses they can be lethal and at lower doses can cause genetic damage. Ionising radiation occurs ...

  • Child care center hazards result in New Jersey emergency legislation

    Exposure of children and staff in a Child Care/Day Care Center in New Jersey prompted Governor Corzine to introduce emergency legislation for Environmental Hazards. These environmental hazards include air emissions from nearby businesses as nail salons, dry cleaners, industrial facilities, chemical plants, and even trucking facilities. Further, contaminated drinking water and contaminated soil in ...

  • Environment and Health

    Public concerns, evidence from research and increasing scientific knowledge are all driving widespread discussions on environment and health problems. The issue of environment and health is characterised by multi-causality with different strengths of association. This means that the links between exposures and their health consequences depend on the environmental pollutants and diseases being ...

  • Radiation Monitors and Meters

    Light Description and Applications The light meter is a portable unit designed to measure visible, UV, and near-UV light in the workplace. (The CTC has a UV light meter available through its loan program, ALEP.) The light meter is capable of reading any optical unit of energy or power level if the appropriate detector has been calibrated with the meter. The spectral range of the instrument is ...

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