Sentences with phrase «increasing radiation exposure»

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.
a b c d e f g h i j k l m n o p q r s t u v w x y z