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At least 1,441 records · Page 80Linked to original sources
PubMed2004

Age-related thermal strain in men while wearing radiation protective clothing during short-term exercise in the heat.

The aim of the study was to compare heat strain among different age groups of men in protective clothing during short-term physical work. Eight young (20-29 years), 6 middle-aged (41-55 years), and 6 older (58-65 years) men exercised for 30 min on a cycle ergometer (40% V(O2 max)) in 2 hot environments with a similar WBGT (ca. 26 degrees C): once with minimal clothing without infrared radiation (E1), and once with aluminized protective clothing under infrared radiation (E2). All subjects had sedentary jobs, but only the older subjects were physically active in their leisure-time. Body temperatures, heart rate, sweat rate, and subjective feelings were determined during the tests. Higher thermal strain was observed in E2 than in E1. No age-related differences in thermal strain were observed in either experiment indicating that active older men can tolerate short work periods with protective clothing in the heat as well as younger sedentary men.

Adult↗
PubMed1999

Radiation protection information: can you trust the government's risks or risk the government's trust?: 1997 G. William Morgan lecture.

Public acceptance of information concerning radiation risks has been impacted by the erosion of trust in government agencies and by societal images that personify radiation or its effects in terms of monsters and ogres. The loss of trust in government agencies, particularly the Atomic Energy Commission and later the Department of Energy, has been influenced by a number of key events and individuals. Examples of these are given, including the anti-Viet Nam war movement, the Watergate incident, the activities of the Union of Concerned Scientists, Ralph Nader and the Critical Mass movement, the claims of Ernest Sternglass, and the widely publicized views of John Gofman and Arthur Tamplin. The use of negative images, pictures, and symbols in the mass media has reinforced the public perception of radiation as a thing to be feared. There is growing evidence that the public perception of radiation risks is related more to mistrust and negative images than it is to the technical information health physicists provide or to the issue of whether or not the linear no-threshold theory of radiation risks is correct. Attempts by federal agencies to regain public trust in radiation risk information generated by health physicists or other radiation scientists appear to be largely unsuccessful. If health physicists hope to be successful in changing such public perceptions, they may have to focus efforts on the next generation and concentrate on assuring that elementary and secondary school children receive sound instruction on radiation risks. Additional research at the molecular biology level is needed to elucidate the risks, if any, at low doses so that the practice of extrapolating low dose responses from high dose data can be eliminated.

Fear↗
PubMed2002

IAEA model project on upgrading the radiation protection infrastructure: background--origin--implementation. International Atomic Energy Agency Model.

The International Atomic Energy Agency Model Project is a focused management program to improve the Radiation Control Programs primarily in developing countries. The effort was initiated in 1994 as a result of RAPAT mission reports and incidents around the world involving injuries and some deaths from uncontrolled and misuse of radioactive sources. This indicated that many countries were not implementing the IAEA Basic Safety Standards. The initial phase covered 52 countries and resulted in 69% passing legislation and 75% had some type of regulatory authority and 40% had regulations and licensing and inspection capabilities. But, the overall averages masked disappointment for some countries in West Asia where only 22% had regulations and 33% had a licensing and inspection program. In Africa 24% had regulations and 29% had a licensing and inspection program. Plans were approved to extend the effort to an additional 30 countries over the next 4 y.

Guidelines as Topic↗