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.