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Aldyen Donnelly
Category Archives: Radiation
Fowl surprise! Methylmercury improves hatching rate
(March 5, 2010) A pinch of methylmercury is just ducky for mallard reproduction, according to a new federal study. The findings are counterintuitive, since methylmercury is ordinarily a potent neurotoxic pollutant. Continue reading
Posted in Hormesis
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Dielectric Portal Technology – Whole Body Imager
(Jan. 25, 2010) The dielectric portal technology uses microwave energy to interrogate a passenger to detect the presence of metallic or nonmetallic objects. This scanner measures dielectric constant of a human body surface by means of the determination of the reflection coefficient of microwave radiation. Continue reading
Posted in Consumer Health
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Whole Body Passive Millimeter Wave Imager
(Jan. 22, 2010) Passive millimeter wave technology is based on the principle that any object not in absolute zero temperature will emit electromagnetic energy at all wavelengths. Continue reading
Posted in Consumer Health
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Whole Body Active Millimeter Wave Imager
(Jan. 22, 2010) Active millimeter-wave imaging combines a source of millimeter wave energy with a detector and works as radar does, “illuminating” the area to be searched with millimeter waves and then imaging the reflected waves. This technology uses low energy, low intensity reflected x-rays to scan an object to generate an image. Continue reading
Posted in Consumer Health
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Whole Body Imager — Backscatter Scanning Machine
(Jan. 20, 2010) Whole body imagining backscatter technology was created to enhance security in airports and other vulnerable areas, and can detect liquids, contraband, ceramics, explosives, narcotics, concealed currency and weapons. Whole Body Imaging Backscatter technology relies on a narrow, low intensity x-ray beam scanned over the body’s surface at high speed. Continue reading
Posted in Consumer Health
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Egyptian eyeliner may have warded off disease
(Jan. 8, 2010) Clearly, ancient Egyptians didn’t get the memo about lead poisoning. Their eye makeup was full of the stuff. Although today we know that lead can cause brain damage and miscarriages, the Egyptians believed that lead-based cosmetics protected against eye diseases. Now, new research suggests that they may have been on to something. Continue reading
Posted in Hormesis
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Low Dose Radiation Evades Cancer Cells’ Protective ‘Radar’
A new study shows that lower doses of radiation elude a damage detection "radar" in DNA and actually kill more cancer cells than high-dose radiation. With these findings, scientists believe they can design therapy to dismantle this "radar" sensor allowing more radiation to evade detection and destroy even greater numbers of cancer cells.
Posted in Radiation
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Radiation
At high doses, radiation kills. Of this there is no scientific dispute. But scientific dispute does lie at low exposures to radiation.
There are two competing theories about the effects of low-level radiation.
Under the Linear No-Threshold model, the risk of contracting cancer is proportional to the exposure. The more radiation, the greater the risk, the less radiation, the lower the risk. Under this model, there is no absolutely safe level of radiation, only reduced risk.
Posted in Radiation
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Request to provide information on DOE’s decision not to publish the 1991 Final Report of the Nuclear Shipyard Worker Study
(December 1, 2009) Please provide information on the DOE’s decision not to publish the 1991 Final Report of the Nuclear Shipyard Worker Study (NSWS) performed by the School of Public Health of Johns Hopkins University under a contract with DOE. More specifically, I am requesting documents under the Freedom of Information Act created in the period between January 1, 1990 and December 31, 1992. Continue reading
Posted in LNT
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Request to provide information on DOE’s decision not to publish the 1991 Final Report of the Nuclear Shipyard Worker Study
(Dec. 1, 2009) Re: Information on DOE’s decision not to publish the 1991 Final Report of the Nuclear Shipyard Worker Study (NSWS) Continue reading
Posted in LNT
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