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Showing releases 351-375 out of 451.

<< < 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 > >>

Public Release: 27-Nov-2012
Radiological Society of North America 98th Scientific Assembly and Annual Meeting
Researchers identify physiological evidence of 'chemo brain'
Chemotherapy can induce changes in the brain that may affect concentration and memory, according to a new study. Using positron emission tomography combined with computed tomography, researchers were able to detect physiological evidence of chemo brain, a common side effect in patients undergoing chemotherapy for cancer treatment.

Contact: Linda Brooks
lbrooks@rsna.org
630-590-7762
Radiological Society of North America

Public Release: 27-Nov-2012
Radiological Society of North America 98th Scientific Assembly and Annual Meeting
New studies show effects of mammography guideline changes
Researchers assessing the impact of revised guidelines for screening mammography issued by the US Preventive Services Task Force found evidence that the new recommendations may lead to missed cancers and a decline in screening, according to two new studies.

Contact: Linda Brooks
lbrooks@rsna.org
630-590-7762
Radiological Society of North America

Public Release: 27-Nov-2012
Radiological Society of North America 98th Scientific Assembly and Annual Meeting
Women with dense breasts welcome additional screening
A survey of women undergoing routine screening mammography found that many of them would be interested in pursuing additional screening tests if notified they had dense breast tissue, despite the possibility of false positives, invasive procedures, and out-of-pocket costs, according to a new study.

Contact: Linda Brooks
lbrooks@rsna.org
630-590-7762
Radiological Society of North America

Public Release: 27-Nov-2012
Radiological Society of North America 98th Scientific Assembly and Annual Meeting
Breast cancer risk estimates increased with repeated prior ct and nuclear imaging
Researchers reviewing the records of approximately 250,000 women enrolled in an integrated healthcare delivery system found that increased CT utilization between 2000 and 2010 could result in an increase in the risk of breast cancer for certain women, including younger patients and those who received repeat exams. According to the study, nuclear medicine examinations may also contribute to increased breast cancer risk.

Contact: Linda Brooks
lbrooks@rsna.org
630-590-7762
Radiological Society of North America

Public Release: 27-Nov-2012
Radiological Society of North America 98th Scientific Assembly and Annual Meeting
Scatter radiation from mammography presents no cancer risk
The radiation dose to areas of the body near the breast during mammography is negligible, or very low, and does not result in an increased risk of cancer, according to a new study. The results suggest that the use of thyroid shields during mammography is unnecessary.

Contact: Linda Brooks
lbrooks@rsna.org
630-590-7762
Radiological Society of North America

Public Release: 27-Nov-2012
Radiological Society of North America 98th Scientific Assembly and Annual Meeting
Radiologic and physical findings identify elder abuse
Radiologists in Toronto have begun to identify a pattern of injuries that may be indicative of elder abuse, according to a new study.

Contact: Linda Brooks
lbrooks@rsna.org
630-590-7762
Radiological Society of North America

Public Release: 27-Nov-2012
Journal of Clinical Psychiatry
4 common antipsychotic drugs found to lack safety and effectiveness in older adults
In older adults, antipsychotic drugs are commonly prescribed off-label for a number of disorders outside of their Food and Drug Administration-approved indications -- schizophrenia and bipolar disorder. The largest number of antipsychotic prescriptions in older adults is for behavioral disturbances associated with dementia, some of which carry FDA warnings on prescription information for these drugs.
National Institutes of Health, US Department of Veteran Affairs

Contact: Debra Kain
ddkain@ucsd.edu
619-543-6163
University of California - San Diego

Public Release: 26-Nov-2012
Journal of General Internal Medicine
New behavioral strategies may help patients learn to better control chronic diseases
Physicians should take a serious look at tools and strategies used in behavioral economics and social psychology to help motivate their patients to assert better control over chronic diseases. Breaking large goals into smaller, more manageable parts, for example, may help patients better manage diseases such as diabetes.
National Institutes of Health, University of California, Los Angeles/Drew Project EXPORT, and others

Contact: Enrique Rivero
erivero@mednet.ucla.edu
310-794-2273
University of California - Los Angeles Health Sciences

Public Release: 26-Nov-2012
Journal of Alzheimer's Disease
Brief exercise immediately enhances memory, UCI study finds
A short burst of moderate exercise enhances the consolidation of memories in both healthy older adults and those with mild cognitive impairment, scientists with UC Irvine's Center for the Neurobiology of Learning & Memory have discovered.
University of California Irvine's Alzheimer's Disease Research Center, NIH/National Institute of Mental Health

Contact: Tom Vasich
tmvasich@uci.edu
949-824-6455
University of California - Irvine

Public Release: 26-Nov-2012
Researchers use shock tube for insight into physics early in blasts
Sandia National Laboratories researchers are using a unique multiphase shock tube to study the dispersal of densely clustered particles during an explosion.

Contact: Sue Holmes
sholmes@sandia.gov
505-844-6263
DOE/Sandia National Laboratories

Public Release: 26-Nov-2012
NASA spots heavy rainfall in Tropical Depression 26W threatening Micronesia
The 26th tropical cyclone of the western North Pacific Ocean season formed and has some areas of heavy rain, according to data from NASA's TRMM satellite. Tropical Depression 26W is threatening islands within Micronesia and warnings and watches are currently in effect.
NASA

Contact: Rob Gutro
robert.j.gutro@nasa.gov
443-858-1779
NASA/Goddard Space Flight Center

Public Release: 26-Nov-2012
Cassini finds a video gamers' paradise at Saturn
You could call this "Pac-Man, the Sequel." Scientists with NASA's Cassini mission have spotted a second feature shaped like the 1980s video game icon in the Saturn system, this time on the moon Tethys. (The first was found on Mimas in 2010). The pattern appears in thermal data obtained by Cassini's composite infrared spectrometer, with warmer areas making up the Pac-Man shape.
NASA

Contact: Elizabeth Zubritsky
elizabeth.a.zubritsky@nasa.gov
301-614-5438
NASA/Goddard Space Flight Center

Public Release: 26-Nov-2012
Proceedings of the National Academy of Sciences
UIC scientists find ancient microbes in salty, ice-sealed Antarctic lake
Shedding light on the limits of life in extreme environments, scientists have discovered abundant and diverse metabolically active bacteria in the brine of an Antarctic lake sealed under more than 65 feet of ice.
National Academy of Science

Contact: Anne Brooks Ranallo
annebr@sbcglobal.net
312-355-2523
University of Illinois at Chicago

Public Release: 26-Nov-2012
American Journal of Medical Quality
Newly insured patients may have trouble finding primary care physicians
A study by researchers at the Mongan Institute for Health Policy at Massachusetts General Hospital finds that a significant percentage of the primary care physicians most likely to care for newly insured patients may be not be accepting new patients. The investigators note that strategies designed to increase and support these "safety-net" physicians could help ensure that newly covered patients have access to primary care.
Institute on Medicine as a Profession

Contact: Sue McGreevey
smcgreevey@partners.org
617-724-2764
Massachusetts General Hospital

Public Release: 26-Nov-2012
Proceedings of the National Academy of Sciences
IU-led team uncovers process for chameleon-like changes in world's most abundant phytoplankton
An international team of biologists led by Indiana University's David M. Kehoe has identified both the enzyme and molecular mechanism critical for controlling a chameleon-like process that allows one of the world's most abundant ocean phytoplankton, once known as blue-green algae, to maximize light harvesting for photosynthesis.
National Science Foundation, Lilly Foundation, Agence Nationale Recherches, MicroB3, Indiana University

Contact: Steve Chaplin
stjchap@iu.edu
812-856-1896
Indiana University

Public Release: 26-Nov-2012
Icarus
SwRI team reports Cassini finds a video gamer's paradise at Saturn
Call it "PAC‐MAN, the Sequel." Scientists with NASA's Cassini mission have spotted a second feature shaped like the 1980s video game icon in the Saturn system, this time on the moon Tethys.
NASA

Contact: Joe Fohn
jfohn@swri.org
210-522-4630
Southwest Research Institute

Public Release: 26-Nov-2012
International Journal of Industrial Organization
Study links improved consumer welfare to increased prescription drug advertising efforts
More people are better off thanks to the impact of an influx of direct-to-consumer advertising spending than they would be without those marketing efforts, according to a study recently published by Jayani Jayawardhana in the University of Georgia College of Public Health. The multi-year study focused on advertising efforts surrounding cholesterol-reducing prescription medications. Jayawardhana found increased levels of consumer welfare due to direct-to-consumer advertising than when compared to situations without this type of marketing.

Contact: Jayani Jayawardhana
jayaward@uga.edu
706-369-5963
University of Georgia

Public Release: 26-Nov-2012
Zootaxa
American University biologist discovers new crab species
Areopaguristes tudgei is a new species of hermit crab recently discovered on the barrier reef off the coast of Belize by Christopher Tudge, a biology professor at American University in Washington, D.C.

Contact: Maggie Barrett
barrett@american.edu
202-885-5951
American University

Public Release: 26-Nov-2012
Nature Cell Biology
Metabolic protein launches sugar feast that nurtures brain tumors
Researchers at the University of Texas MD Anderson Cancer Center have tracked down a cancer-promoting protein's pathway into the cell nucleus and discovered how, once there, it fires up a glucose metabolism pathway on which brain tumors thrive.

Contact: Scott Merville
smerville@mdanderson.org
713-792-0661
University of Texas M. D. Anderson Cancer Center

Public Release: 26-Nov-2012
American Naturalist
Rapid changes in climate don't slow some lizards
One tropical lizard's tolerance to cold is stiffer than scientists had suspected. A new study shows that the Puerto Rican lizard Anolis cristatellus has adapted to the cooler winters of Miami. The results also suggest that this lizard may be able to tolerate temperature variations caused by climate change.

Contact: Ashley Yeager
ashley.yeager@duke.edu
919-681-8057
Duke University

Public Release: 26-Nov-2012
Nature Genetics
Genome decoded: Scientists find clues to more disease-resistant watermelons
Juicier, sweeter, more disease-resistant watermelons could be on the way. An international consortium of more than 60 scientists from the United States, China and Europe has published the genome sequence of watermelon -- Citrullus lanatus -- that could dramatically accelerate watermelon breeding toward production of a more nutritious, tastier and more resistant fruit.

Contact: John Carberry
johncarberry@cornell.edu
607-255-5353
Cornell University

Public Release: 26-Nov-2012
Nature Biotechnology
Study advances use of stem cells in personalized medicine
Johns Hopkins researchers report concrete steps in the use of human stem cells to test how diseased cells respond to drugs. Their success highlights a pathway toward faster, cheaper drug development for some genetic illnesses, as well as the ability to pre-test a therapy's safety and effectiveness on cultured clones of a patient's own cells.
New York State Stem Cell Science, New York Stem Cell Foundation, State of Maryland

Contact: Shawna Williams
shawna@jhmi.edu
410-955-8236
Johns Hopkins Medicine

Public Release: 26-Nov-2012
Attention, Perception & Psychophysics
Did you see that? How could you miss it?
A UCLA psychology study shows that people do not recall things they have seen -- or at least walked by -- hundreds of times.

Contact: Stuart Wolpert
swolpert@support.ucla.edu
310-206-0511
University of California - Los Angeles

Public Release: 26-Nov-2012
Nature Communications
Penn researchers make flexible, low-voltage circuits using nanocrystals
Electronic circuits are typically integrated in rigid silicon wafers, but flexibility opens up a wide range of applications in a world where electronics are becoming more pervasive. Finding materials with the right mix of performance and manufacturing cost, however, remains a challenge. Now researchers from the University of Pennsylvania has shown that nanoscale particles, or nanocrystals, of the semiconductor cadmium selenide can be "printed" or "coated" on flexible plastics to form high-performance electronics.
US Department of Energy, National Science Foundation

Contact: Evan Lerner
elerner@upenn.edu
215-573-6604
University of Pennsylvania

Public Release: 26-Nov-2012
Proceedings of the National Academy of Sciences
To get the best look at a person's face, look just below the eyes, according to UCSB researchers
They say that the eyes are the windows to the soul. However, to get a real idea of what a person is up to, according to UC Santa Barbara researchers Miguel Eckstein and Matt Peterson, the best place to check is right below the eyes. Their findings are published in the Proceedings of the National Academy of Sciences.

Contact: Sonia Fernandez
sonia.fernandez@ia.ucsb.edu
805-637-3726
University of California - Santa Barbara

Showing releases 351-375 out of 451.

<< < 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 > >>