Sentences with phrase «radiation exposure on»

One died of acute radiation exposure on the spot, the other managed to crawl back to civilization.
The first - ever study of radiation exposure on wild primates, conducted in 2012, found that monkeys near Fukushima had significantly lower red and white blood - cell counts compared with monkeys elsewhere in Japan.

Not exact matches

Its guidelines set maximum radiation exposure levels based on the amount of heat emitted by mobile phones.
«Cosmic rays are not a significant exposure risk on the ground,» Eddie Semones, a radiation health officer at NASA, previously told Business Insider.
Because those who fly on jet airplanes frequently face higher exposure to cosmic radiation, the Centers for Disease Control and Prevention (CDC) classifies airline crew members as radiation workers.
For more on how I'm reducing my exposure to microwave radiation, also known as radio frequency radiation (RFR), you'll want to see my write up on Simple Steps to Reduce EMF's.
I've been known to make things in the microwave instead of on the stovetop because I'd rather risk radiation exposure than clean a pot.
In addition to experimental research on cancer, there are over 1000 peer reviewed, published papers showing other harmful biological effects from microwave radiation exposure such as damage to sperm, pregnancy and nervous systems.»
Dr. Devra Davis PhD., MPH, founder of Environmental Health Trust (EHT) and an award - winning, internationally renowned scientist who also was the founding director of the Board on Environmental Studies and Toxicology of the U.S. National Research Council, National Academy of Sciences, states: «No studies show that microwave radiation exposure in children is safe or that continuous exposure from cell phones, cell towers, cordless phones, Wi - Fi routers, baby monitors, etc. is safe.»
Miscarriage occurred in 10.4 percent of the women with the lowest measured exposure level (1st quartile) of magnetic field non-ionizing radiation on a typical day, and in 24.2 percent of the women with the higher measured exposure level (2nd, 3rd and 4th quartiles), a nearly three times higher relative risk.
In 1925, three decades after Röntgen's discovery and after the loss of possibly hundreds of lives to radiation sickness, the National Council on Radiation Protection and Measurements was formed to establish a maximum exposure for X-rays.
In humans, prolonged exposure to solar UV radiation may result in acute and chronic health effects on the skin, eye, and immune system.
Robert Finkelman, a former USGS coordinator of coal quality who oversaw research on uranium in fly ash in the 1990s, says that for the average person the by - product accounts for a miniscule amount of background radiation, probably less than 0.1 percent of total background radiation exposure.
Johns Hopkins scientists report that rats exposed to high - energy particles, simulating conditions astronauts would face on a long - term deep space mission, show lapses in attention and slower reaction times, even when the radiation exposure is in extremely low dose ranges.
Perhaps the sole point on which scientists agree is that radiation damages DNA in ways that can cause cancer many years after exposure.
«This is quite surprising because glasses and heavily irradiated materials typically exhibit the same density, so that glasses are often used as models to simulate the effect of the exposure to radiations on materials.»
A report from the United Nations Scientific Committee on the Effects of Atomic Radiation found that 6,000 individuals who were under the age of 18 in Ukraine, Belarus or Russia at the time of the disaster had by 2006 contracted thyroid cancer, «a substantial fraction» of whom likely contracted the disease due to radiation exposure.
Most adults and adolescents in the United States do not regularly protect themselves against exposure to UV radiation when outdoors on sunny days.
Although many say the report is well done, the exercise largely depended on modeling of radiation doses rather than on direct measurements of population exposures, and the data were often sub-optimal.
Crawford - Brown worked for a while on models of the effects of radiation and chemical exposure on human health, then wandered into decision analysis by the back door when the Environmental Protection Agency (EPA) started to use some of his scientific models.
Astrobiologists, who will be presenting their work at the European Planetary Science Congress (EPSC) 2013 in London on Monday 9 September, have shown that Raman spectroscopy can be used to detect micro-organisms even after they have been damaged by exposure to very high levels of radiation, as is encountered on the Martian surface.
The scientists worked with model bacteria that are representative of the sort of microbial lifeforms that might be expected to have emerged on Mars and used a Raman spectrometer to track how the detectable signal from them changed with increasing exposure to radiation.
So it was decided — on a precautionary principle — that some steps can be taken to reduce exposure to radiation
«Chronic exposure to low - dose radiation at Chernobyl favors adaptation to oxidative stress,» is published in Functional Ecology on Friday 25 April 2014.
The Indian panel also recommended that manufacturers display on each handset the potential radiation exposure it may cause.
In order to contaminate a large area with enough radioactive material to pose a major health hazard, the dirty bomb would have to be packed with so much cobalt 60 (on the order of a few ounces in this case) that the terrorists would die of radiation poisoning within minutes of exposure to their own weapon.
Such travel, taking one or more years outside the Earth's magnetosphere, would take a high toll on astronauts» health due to exposure to cosmic radiation.
Marine scientists have calculated that, based on all the radioactive particles released (or leaking) from Fukushima, a dose due to this most recent nuclear accident would add up to a total of roughly one microsievert (a unit of radiation exposure) of extra radiation — roughly one tenth the average daily dose most Americans experience, one fortieth the amount from a cross — North America flight and one one - hundredth the exposure from a dental x-ray.
A report released yesterday blames British pathologists «profoundly ignorant of the law» for ethical lapses in scores of research projects in which pathologists and coroners obtained and provided tissues to scientists interested in measuring radiation exposures and their impact on the body.
A number of techniques have been developed to reduce exposure to the heart including prone positioning (lying flat on the belly on a bed that only exposes the left breast), intensity - modulated radiation therapy (IMRT), and accelerated partial breast irradiation.
«A unique opportunity to investigate the effects of relatively high historic exposures to radiation and to put such post mortem work on a legitimate footing was missed,» the report states.
Based on this, the researchers recommend short courses of five, seven or 15 treatments — all adding up to around the same amount of total radiation exposure — for patients over 70 years old, especially if they have trouble traveling for treatments.
Aside from radiation, few U.S. organizations have policies regarding pregnant lab workers, which means women are on their own when it comes to worrying about exposure during pregnancy.
This challenge to the established LNT model and raises questions on some of the basic assumptions used to assess the risk of low dose radiation exposures.
As future missions look to travel back to the moon or even to Mars, new research from the University of New Hampshire's Space Science Center cautions that the exposure to radiation is much higher than previously thought and could have serious implications on both astronauts and satellite technology.
Now, a new analysis looks at the available evidence on radiation exposure in medical imaging in pediatric orthopaedic care — and provides recommendations aimed at optimizing decision - making to reduce unnecessary exposure.
To protect her unborn baby, she wore a special low exposure radiation badge on her tummy while pregnant and minimised her exposure to x-rays and gamma rays, as well as avoiding volatile solvents.
Orthopaedic surgery and radiology collaborators have also implemented intraoperative use of low - dose protocols on fluoroscopy machines, which reduces radiation exposure to both patients as well as physicians and staff in the operating room.
«Traditionally, there has not been enough discussion on how we can disseminate information to best treat children with the least possible exposure to radiation,» says senior research author David H. Godfried, MD, clinical associate professor of orthopaedic surgery and pediatrics, and director of the Center for Children at NYU Langone's Hospital for Joint Diseases.
All radiation, of course, is not harmful, and even the type that may be depends on dosage and length of exposure.
Jasim Ahmed, head of the IAEA radiation safety section, says the mission will concentrate on three issues: workers» health, the monitoring of their exposure to radiation, and management of the mine's radioactive «tailings», a mixture of uranium ore and processing liquids.
Lead and concrete shielding around the injector and storage rings and along the beamlines will provide protection against these photons and neutrons, and radiation exposure to personnel working on the NSLS - II floor will be quite low.
The Center's probe, based on contractor and government reports and officials involved in bomb - related work, revealed unpublicized accidents at nuclear weapons facilities, including some that caused avoidable radiation exposures.
So although radiation protection agencies typically restrict occupational exposure (for the nuclear industry, for example) to an average of 20 mSv per year, scientists don't have hard data on which to base high - stake conclusions about what level of radiation, if any, is really safe.
«Long term,» Tash said, «the feasibility of mammalian reproduction in space beyond the Van Allen belt will depend on the creation of radiation - hardened facilities that can protect gametes from [cosmic] radiation exposure.
Exposure to radiation may still have an effect on individual animals.
This will be essential for any spacecraft to take humans into deep space — a primary component failing due to radiation exposure could be disastrous on a voyage to Mars or the outer solar system.
Any increased exposure to radiation contributes to a cumulative theoretical lifetime risk, including flying on a plane, but the risk from a single x-ray is miniscule.
The long - term health effects of exposure to atomic bomb radiation on survivors in Hiroshima and Nagasaki were not as severe as once thought.
St. Louis County had previously said that it would be collaborating with the ATSDR on a health study focused on a limited number of cancers known to be associated with exposure to low levels of ionizing radiation.
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