Sentences with phrase «smaller radiation doses»

About 80 percent of patients receiving high - dose, short - course therapies had good cosmetic results, similar to longer - course treatments with smaller radiation doses.
THE CONTRARY VIEW: Veteran journalist Jeff Wheelwright, who covers health and genetics, says the evidence linking small radiation doses to cancer is flimsy.

Not exact matches

And as a new study published in Health Physics recently explored, everyday foods and objects (yes, even the beloved avocado) emit a very small dose of radiation every hour.
Even in small doses, exposure to radiation is problematic for a developing baby and mom.
Chesser says some of his group's studies of mice exposed to radioactivity around Chernobyl hint at hormesis: Small exposures over 10 to 45 days, they found, appeared to temper damage from an acute radiation dose delivered in the lab later.
That there will be some human cancers is assumed, thanks to the linear no - threshold theory of cancer, which holds that no radiation dose is so small that it can not produce a probability of cancer.
For more than a century, scientists have assumed your body reacts to that radiation in much the same way it does to high doses — only on a much smaller scale.
The general population in northeastern Japan, however, has considerably less access to accurate, non-invasive radiation dose measuring equipment, a troubling situation made more so by Wednesday's announcement by Japan's science ministry that small amounts of cancer - causing radioactive strontium have been detected in soil and plants outside the 30 - kilometer zone around the plant where the government has advised people to stay indoors.
«This study, one of only a few large studies to have follow - up beyond five years, demonstrates that patients who have head and neck cancers and who are being treated with radiation therapy alone have improved local - regional control and no increase in late toxicity when radiation therapy is delivered twice a day in two smaller doses which we call hyperfractionation,» said Jonathan J. Beitler, MD, MBA, FASTRO, lead author of the study and professor of radiation oncology, otolaryngology and hematology / medical oncology at the Winship Cancer Institute of Emory University School of Medicine in Atlanta.
People who have been exposed to large doses of radiation to the head face a small risk of later developing brain tumors.
Compared to the conventional radiation therapy (RT) approach of small doses given daily over several weeks, SBRT delivers a highly targeted, escalated dose of radiation in a single session or as many as five of treatments, usually between one and five fractions.
Koyuncu discovered this when she infected isolated axons with a small number of virus particles, which would normally travel to the cell bodies and be silenced, while simultaneously exposing the cell bodies to a large number of inactivated virus particles that have been dosed with ultraviolet radiation (UV).
According to a report from the Institute of Biophysics at the former Soviet Health Ministry in Chelyabinsk the «small but constant doses of radiation» received by residents «have not occurred anywhere else in the world».
However, volunteers received only a single dose of mirabegron, since PET / CT scanning involves exposure to a small amount of radiation.
Ultrasound (or sonography) uses sound waves as opposed to the use of small doses of radiation with mammography [4].
The standard for many years has been administration of multiple small doses of radiation with the goal of eradicating the tumor.
As I understand things (and this is NOT my field at all) there is a robust dispute over how sure we can be about what ionizing radiation dose to human health at small doses.
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.
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