Sentences with phrase «on radiation risk»

[12:21 p.m. Updated I urge you to read Paul Voosen's fine Greenwire article on radiation risk (mis) perceptions.]
Despite the public focus on radiation risks, cost has long been the main obstacle to a substantial expansion of nuclear power generation, and will be even more as a result of Japan's still - unfolding effort to secure the wave - ravaged Fukushima Daiichi complex.

Not exact matches

«Cosmic rays are not a significant exposure risk on the ground,» Eddie Semones, a radiation health officer at NASA, previously told Business Insider.
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.
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.
While the Johns Hopkins team studies the likely effects of radiation on the brain during a deep space mission, other NASA - funded research groups are looking at the potential effects of radiation on other parts of the body and on whether it increases cancer risks.
More research, however, is needed to better characterize those intermediate - risk patients who can safely be monitored on a surveillance program,» said D. Andrew Loblaw, MD, a radiation oncologist at Sunnybrook Health Sciences Centre in Toronto, Canada.
Geraldine Thomas, a radiation - health expert at Imperial College London, argues that the report's cancer risks are likely be overestimates, as its authors openly erred on the side of caution in various assumptions.
«It is important for healthcare professionals (including referring physicians, radiologists, and technologists) to be aware of radiation dose levels and risks from imaging tests for several reasons, including the ability to weigh the risks and benefits of tests, counsel patients on relevant risks, optimize protocols to minimize radiation dose, and select appropriate protocols to minimize radiation dose.»
In a related editor's note, JAMA Internal Medicine Editor - in - Chief Rita F. Redberg, M.D., M.Sc., writes: «These findings suggest that the current practice of performing a stress test on low - risk patients in the ED is unnecessary and prolongs the length of stay in EDs as well as increases unnecessary medical imaging, with significant associated radiation risk for tests that include nuclear imaging.
R. S. Sharma, a public health specialist on the panel from the Indian Council of Medical Research, writes in the report that, «the hot tropical climate of the country, the low body mass index; low fat content of an average Indian as compared to European countries and high environmental concentration of radio frequency radiation may place Indians under risk of radio frequency radiation adverse effect.»
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.
Silver says her lab will try to build such a cell that they can then implant into mammals to detect and report on the extent of harm caused by UV radiation, which damages DNA and is a risk factor in the development of cancer.
Cosmic radiation presents a major health risk for astronauts travelling into deep space to set up colonies on the moon or Mars.
«Our goal is to focus on approaches that, when properly implemented, will lessen radiation risks for children with heart disease while still allowing the imaging procedures to be effective.»
The National Radiological Protection Board's advice is based on a re-evaluation of data on survivors of the Nagasaki and Hiroshima atom bombs, which estimates that the risks from radiation are three times as high as previously thought.
Unfortunately, the risks associated with screening mammography increased when the team focused on women with large breasts, who received 2.3 times more radiation than women with smaller breasts.
They studied mice and found their risk of mammary cancer from low - dose radiation depends a great deal on their genetic makeup.
The project will focus on improving test particle models to produce SEP forecasts and evaluating the associated radiation risk.
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.
Their research led to refinements in therapy that allowed certain patients, based on specific characteristics, to receive less radiation or forgo it altogether without increased risk of recurrence.
Berkeley Lab scientists studied mice and found their risk of mammary cancer from low - dose radiation depends a great deal on their genetic makeup.
The ozone layer is crucial since it blocks out the harmful ultraviolet radiation from the sun known to increase the risk of skin cancer and cataract damage, in addition to other harmful effects on plants and animals.
A typical nuclear medicine procedure may impart a radiation dose to the patient comparable to about one to four years of natural background radiation depending on the type of study.1 As with X-rays, the value of diagnostic imaging is great and the risks are negligible compared to the health benefits of having the procedure.
NASA's Twins Study has opened up the debate on health risks among astronauts, especially in high radiation zones of deep space.
Interestingly, Patel et al. discovered that while cosmic radiation represents a significant risk to the hematopoietic system, there is no dependence on MMR capacity.
[10] Moreover, patients had a significantly elevated relative risk of mortality from myocardial infarction, ranging between 7.3 and 8.1, depending on the length of time since radiation exposure.
Patients in the at - risk group were those who developed cancer between 1984 and 1996, consistent with known latency periods of radiation - induced thyroid cancer, and who lived in at - risk geographical areas — based on reported weather patterns — at the time of the accident.
Only in the last decade, when multiple spacefaring nations and corporate entities have announced plans to embark on manned exploratory missions to Mars and prolonged habitation on the Moon, has biomedical research been directed towards identifying possible CVD risks associated with the deep space radiation environment.
Following lumpectomy alone, a patient typically «has roughly a 30 % to 40 % risk of breast cancer coming back in the same breast, depending on the size of the tumor and the histology [grade],» says Dennis E. Hallahan, MD, chairman of the department of radiation oncology at Vanderbilt University in Nashville.
We have reduced our risk on RF radiation but have no control on those electric posts and fat wires behind our backyard.
This week in MMO crowdfunding, Star Citizen's Around the Verse focused on the game's stamina system, which touches on the character's needs and risks and notifications about them, including «getting drunk, needing to go to the toilet, all the little things that can affect the player temporarily, and then we can expand this to go even to stuff like long - term diseases, depressurization sickness, radiation sickness — all these things that won't be something the player can get rid of instantly.»
One might expect some clathrate release in the Arctic, perhaps not enough to greatly affect global warming by itself, but add this to the increased thermal energy and methane radiation already on the increase in the Arctic and the combination increases risk.
The news media stigmatize radiation as a much greater risk than it is, based on the biology of what ionizing radiation can do to human health, in many many ways, and it that overall alarmism influences the way people respond to this threat.
Jim Hansen's worries are all focused on [the greenhouse gas] CO2 so he's not directly addressing the risk question (for example, the reality that coal produces more radiation and deaths than nuclear, etc.).
Some degree of fear is rather normal given the way humans approach risk, particularly with something like the risks from radiation, and particularly given inherent trust that comes from for - profit overlay onto the «common good» and (IMO) laying that fear exclusively at the feet of environmentalists, or simply labeling it as irrational, is more a product of ideologically - driven identity - protective cognition and tribalism on the part of nuclear proponents than a useful ingredient for making progress on energy policy development.
Even in low Earth orbit within the magnetosphere, astronauts on the ISS receive a dose of radiation equivalent to about 5 — 10 chest X-rays per day, which causes an increased risk of cancer.
«But as I commented at scienceprogress, the way I see the ledger, the religious Right gets a handful of anti-science points for views on evolution (and related rationalizations about the age of the earth, etc.), and for some dismissal of climate change theory, but the Left gets many more anti-science points for exaggerating the health and ecological risks of POPs; DDT; GMOs; plastics and plasticizers; pesticide residues; conventional agriculture; low - dose EM radiation; high - tension powerlines; climate change; population growth; resource depletion; chemical sweeteners; species extinction rates; biodiversity decline; and I'm sure the list could go on.
All Levels of Radiation Confirmed to Cause Cancer The National Academies of Science has released an over 700 - page report on the risks from ionizing radiation.
The BEIR VII or seventh Biological Effects of Ionizing Radiation report on «Health Risks from Exposure to Low Levels of Ionizing Radiation» reconfirmed the previous knowledge that there is no safe level of exposure to radiation — that even very low doses can cause cancer.
With the on - going calamity in Japan and phrases like «nuclear meltdown» and «radiation sickness» in headlines, it's to be expected that people discuss with renewed attention the risks and benefits of nuclear energy.
More dramatically, fear of radiation led to extraordinary safety requirements for nuclear power plants, far in excess of controls imposed on other high - risk industrial facilities, which made nuclear power less cost - competitive and led to more reliance on coal.
However, the risks of solar radiation management outweigh its benefits, prompting the Intergovernmental Panel on Climate Change (IPCC) to completely reject it.
Most of the arguments I've heard here (and made myself) against nukes are based on economics and the risk and effects of catastrophic failure, not small doses of radiation.
Specifically, due to the radiation that the plaintiff received in her left breast to treat the cancer, she was at an elevated risk of having complications on that breast.
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