However, the research showed increased risk for women with large breasts or breast implants, who must often receive extra screening views,
increasing their radiation exposure.
«With technological improvements, medical imaging has become an increasingly vital tool in diagnosing and treating patients with heart disease, but the rising use of the tests has led to
increasing radiation exposure over the past two decades,» said Reza Fazel, M.D., M.Sc., chair of the writing committee for the statement and cardiologist at Beth Israel Deaconess Medical Center in Boston.
For example, the hazard of
increased radiation exposure from charged particles released during a large solar flare could require that flights be diverted away from a polar route.
Not exact matches
The
radiation exposure of the general population «is too small to give a statistically significant
increase in stochastic effects such as cancer,» argues Ohtsura Niwa, professor emeritus of
radiation biology at Kyoto University.
The treaty has helped the layer begin the slow process of healing, lessening the impact to human health from
increased exposure to damaging solar
radiation.
In further studies, the researchers tested the capacity of ANG to prevent and mitigate
radiation - induced bone marrow failure, and in pre-clinical models, they found that survival following
radiation exposure was
increased after treatment with recombinant ANG protein.
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.
According to lead author Dr Ismael Galván of the Spanish National Research Council (CSIC): «Previous studies of wildlife at Chernobyl showed that chronic
radiation exposure depleted antioxidants and
increased oxidative damage.
Scientists are continuing to research other potential effects of the disaster, such as whether
increased incidence of mental retardation is occurring in subsequent generations due to their progenitors»
radiation exposure.
Although this hints at a slight
increase in cancer risk after prolonged
exposure to cellphone
radiation, Michael Lauer of the US National Institutes of Health, who reviewed the study prior to publication, says the results should be interpreted with caution.
For example, the prevailing theory is that any
increase in
radiation exposure increases the risk of cancer.
In another finding, female scoliosis patients received two times more X-rays than non-surgical patients, amounting to twice the
radiation exposure to the breasts, ovaries and bone marrow, and correlating to an over two percent
increased lifetime risk of fatal breast cancer, almost one percent risk of fatal leukemia, and three percent risk of genetic defects.
Folate breaks down when exposed to high levels of UV
radiation, so high folate levels would compensate for their
increased UV
exposure.
The
increase in medical
radiation exposure (from 0.53 mSv to 3.0 mSv) stemmed primarily from a rise in the use of computer tomography (CT) scans (which use x-rays to create cross sectional images of inside the body to spot tumors, clogged arteries, among other things), and nuclear imaging tests, which involve injecting radioactive chemicals into the bloodstream that can be picked up by special instruments and used to create images of the body's inner structures.
Some women with large breasts need more than four views for a complete screening examination,
increasing their
exposure to ionizing
radiation.
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.
Phosphorylated ERK1 / 2 and p - AKT were
increased in a dose - dependent manner upon
exposure to 1.0, 2.0 and 3.0 Gy of
radiation at 4 h of post-irradiation (P < 0.01 to 0.0001).
Exposure of B16F10 cells to 1.0 to 3.0 Gy of
radiation significantly
increased p - ERK1 / 2, p - AKT as well as p - JNK levels.
Initial tests with pre-SM4 default voltages and timing patterns showed that WFC's performance matches or exceeds its pre-failure levels, notwithstanding the expected
increases in dark current and hot pixels and the decline in charge - transfer efficiency due to prolonged
exposure to HST's
radiation environment.
The remnants of the vortex — which contain the depleted ozone — typically pass overhead at about 45 to 50 degrees north latitude, over parts of Europe and North America, for a few days in spring, causing the potential for ultraviolet (UV)
radiation exposure to
increase, said Rex.
«The premenopausal breast is highly sensitive to
radiation, each 1 rad
exposure [per mammogram]
increasing breast cancer risk by about 1 percent, with a cumulative 10 percent
increased risk for each breast over a decade's screening.»
Many alternative health professionals today recommend thermography as a safe screening alternative to mammography, which is not only painful and expensive but can
increase breast cancer risk through
radiation exposure and breast tissue compression.
Prolonged
exposure to the sun's
radiation without adequate protection can dramatically
increase the risk of contracting serious skin conditions, including cancer.
The World Health Organization (WHO) estimates that the typical absorbed dose of mercury from amalgams is one to twenty - two micrograms per day, with most values in the range of one to five micrograms per day.16 Various factors, including gum chewing and bruxism, can
increase these
exposures to an upper range of about one hundred micrograms per day.7 Preliminary evidence also suggests that certain types of electromagnetic
radiation, including EMR from mobile phones and from magnetic resonance imaging (MRI) may
increase the release of mercury vapor from dental amalgams.17
According to Mark Sircus, in Transdermal Magnesium Therapy, a deficiency of magnesium
increases free radical generation in the body and «causes glutathione loss, which is not affordable because glutathione helps to defend the body against damage from cigarette smoking,
exposure to
radiation, cancer chemotherapy, and toxins such as alcohol and just about everything else.»
«The premenopausal breast is highly sensitive to
radiation, each 1 rad
exposure increasing breast cancer risk by about 1 percent, with a cumulative 10 percent
increased risk for each breast over a decade's screening...»
Glutathione can also offer protection from
increased exposure to
radiation through flying at high altitudes.
Many alternative health professionals today recommend thermography as a safe alternative to mammography, which is not only painful and expensive but can
increase breast cancer risk through
radiation exposure and breast tissue compression.
According to the American Veterinary Dental College, the use of digital x-ray equipment significantly reduces your pet's
exposure to
increased levels of
radiation by a third of the amount, making it safer for your pet as well as the staff involved.
Such proximity introduces hazards that are of negligible importance for life on Earth:
increased exposure to (time - varying) short wavelength
radiation, stronger magnetic fields, tidal effects, and atmospheric removal by the stellar wind.
I can remember reading studies that purported to show that higher UV
radiation from ozone depletion was causing frogs to disappear, this despite the fact that the experiments amounted to the same
increased UV
exposure as relocating the frogs about 50 miles south would have.
A major difference between the PETM (Natural) and present (Anthropogenic) global warming is that the former was likely initiated by
increased exposure to solar
radiation causing carbon feedbacks and rapid global warming.
For instance, although science may conclude that a certain
increased exposure to solar
radiation may
increase the risk of skin cancer by one new cancer in every hundred people, science can not say whether this additional risk is acceptable because science describes facts and can not generate prescriptive guidance by itself.
Serious sunburn and
increased risk of skin cancer may result from significant
exposure to this
radiation.
In addition to
increased exposure to
radiation, we have an
increased exposure to fluoride which incidentally but not coincidentally is also used in the nuclear industry.
According to the Food and Drug Administration, because the problem went undetected for so long, patients may be at an
increased risk of long term effects from
radiation exposure.