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For prescription drug addiction treatment, buprenorphine maintenance trumps detoxification

2014-10-20
For treating patients with prescription opioid dependence in primary care, buprenorphine maintenance therapy is superior to detoxification, according to a new study by Yale School of Medicine researchers published in the Oct. 20 issue of JAMA Internal Medicine. Prescription opioid dependence has been increasing for the last 15 years and now surpasses heroin dependence. Doctors are also writing more prescriptions for pain management, which has led to higher experimentation and addiction rates, according to lead author David Fiellin, M.D., professor of internal medicine ...

New tracers can identify frac fluids in the environment

New tracers can identify frac fluids in the environment
2014-10-20
Scientists have developed new geochemical tracers that can identify hydraulic fracturing flowback fluids that have been spilled or released into the environment. The tracers have been field-tested at a spill site in West Virginia and downstream from an oil and gas brine wastewater treatment plant in Pennsylvania. "By characterizing the isotopic and geochemical fingerprints of enriched boron and lithium in flowback water from hydraulic fracturing, we can now track the presence of 'frac' fluids in the environment and distinguish them from wastewater coming from other ...

Supercomputers link proteins to drug side effects

2014-10-20
LIVERMORE, Calif. – New medications created by pharmaceutical companies have helped millions of Americans alleviate pain and suffering from their medical conditions. However, the drug creation process often misses many side effects that kill at least 100,000 patients a year, according to the journal Nature. Lawrence Livermore National Laboratory researchers have discovered a high-tech method of using supercomputers to identify proteins that cause medications to have certain adverse drug reactions (ADR) or side effects. They are using high-performance computers ...

Stress-related inflammation may increase risk for depression

2014-10-20
Preexisting differences in the sensitivity of a key part of each individual's immune system to stress confer a greater risk of developing stress-related depression or anxiety, according to a study conducted at the Icahn School of Medicine at Mount Sinai and published October 20 in the Proceedings of the National Academy of Sciences (PNAS). Inflammation is the immune system's response to infection or disease, and has long been linked to stress. Previous studies have found depression and anxiety to be associated with elevated blood levels of inflammatory molecules ...

Built-in billboards: Male bluefin killifish signal different things with different fins

Built-in billboards: Male bluefin killifish signal different things with different fins
2014-10-20
CHAMPAIGN, Ill. — They help fish swim, but fins also advertise a fish's social standing and health. In a new study, researchers report that for the male bluefin killifish (Lucania goodei), each colorful fin presents its own messages to other fish. Researchers report their findings in the journal Behavioral Ecology. They're called "bluefin" killifish, but the first thing University of Illinois animal biology professor Rebecca Fuller noticed while she was snorkeling in a Florida stream was the killifishes' differently colored fins. In addition to having reflective ...

Patients who have left breast tumors have comparable OS to those with right breast tumors

2014-10-20
Fairfax, Va., October 20, 2014—Tumor laterality (left-side vs. right-side) does not impact overall survival in breast cancer patients treated with breast-conserving surgery and adjuvant external beam radiation therapy, according to a study published in the October 1, 2014 issue of the International Journal of Radiation Oncology • Biology • Physics (Red Journal), the official scientific journal of the American Society for Radiation Oncology (ASTRO). Studies have shown that breast cancer patients treated with radiation therapy have improved local-regional recurrence, ...

Tarantula toxin is used to report on electrical activity in live cells

Tarantula toxin is used to report on electrical activity in live cells
2014-10-20
VIDEO: The movie is quantitative imaging of cells with potassium channels, bathed in dilute fluorescent tarantula toxin. Pixel color indicates intensity of tarantula toxin concentration. The circular shapes are cell surfaces,... Click here for more information. WOODS HOLE, Mass.--A novel probe that reports on the electrical activity of cells, made by fusing tarantula toxin with a fluorescent compound, is described in a paper today by scientists from the University of California, ...

WSU researchers see how plants optimize their repair

2014-10-20
PULLMAN, Wash.—Researchers led by a Washington State University biologist have found the optimal mechanism by which plants heal the botanical equivalent of a bad sunburn. Their work, published in the Proceedings of the National Academy of Sciences, could lead to the development of crops that can repair the sun's damage more easily, improving yields and profitability. Helmut Kirchhoff, an assistant professor in WSU's Institute of Biological Chemistry and corresponding author of the PNAS paper, said plants have had to deal with solar damage since the evolution of photosynthesis ...

See-through, one-atom-thick, carbon electrodes powerful tool to study brain disorders

See-through, one-atom-thick, carbon electrodes powerful tool to study brain disorders
2014-10-20
PHILADELPHIA — Researchers from the Perelman School of Medicine and School of Engineering at the University of Pennsylvania and The Children's Hospital of Philadelphia have used graphene -- a two-dimensional form of carbon only one atom thick -- to fabricate a new type of microelectrode that solves a major problem for investigators looking to understand the intricate circuitry of the brain. Pinning down the details of how individual neural circuits operate in epilepsy and other neurological disorders requires real-time observation of their locations, firing patterns, ...

Gonzalo: First hand account in Bermuda, next stop: The United Kingdom

Gonzalo: First hand account in Bermuda, next stop: The United Kingdom
2014-10-20
Hurricane Gonzalo departed from Bermuda leaving power outages, downed trees, and damaged homes and buildings. An on-the ground account of the storm indicated the eye passed over the island. By Oct. 20, post-tropical storm Gonzalo was approaching the United Kindgom, sparking severe weather warnings. By Sunday, Oct. 19 Gonzalo was affecting eastern Canada. Forecasters expect Gonzalo to hold together over while traveling east across the North Atlantic where it will affect Scotland as an extra-tropical storm on Tuesday, Oct. 21. Camille Haley was former NASA intern and ...

The quick life and death of Tropical Storm Trudy

The quick life and death of Tropical Storm Trudy
2014-10-20
Tropical Storm Trudy formed on Saturday, Oct. 17 and by Oct.19 the storm made landfall in southern Mexico and weakened to a remnant low pressure area. Tropical Storm Trudy formed near the southwestern coast of Mexico during the morning of Oct. 18 triggering warnings and watches. A Hurricane Watch was posted from east of Acapulco to Laguna De Chacahua Mexico and a Tropical Storm Warning was posted for Tecpan De Galeana to Laguna De Chacahua Mexico. On Sat. Oct. 18 at 8 a.m. EDT, radar from Mexico indicated that the center of Tropical Storm Trudy was located on the coast ...

NASA's Terra Satellite sees Tropical Storm Ana over Hawaii

NASAs Terra Satellite sees Tropical Storm Ana over Hawaii
2014-10-20
VIDEO: This video shows the movement of Tropical Storm Ana near the Hawaiian Islands from Oct. 17-20. Click here for more information. Tropical Storm Ana made a slow track west of the Hawaiian islands over the last couple of days, and by Oct. 20 was moving westward away from the main Hawaiian islands and heading toward the northwest Hawaiian islands. NASA's Terra satellite caught Ana on a flyby on Oct. 19 that showed the storm's clouds blanketing the chain of islands. The ...

Fires in the Egypt River Delta

Fires in the Egypt River Delta
2014-10-20
This NASA satellite image is of the Egyptian River Delta. Actively burning areas, detected by MODIS's thermal bands, are outlined in red. Each hot spot, which appears as a red mark, is an area where the thermal detectors on the MODIS instrument recognized temperatures higher than background. When accompanied by plumes of smoke, as in this image, such hot spots are diagnostic for fire. The location, widespread nature, and number of fires in this image and confirmation from the Ministry of Environment in Egypt. Fires are witnessed every year in October and November, caused ...

New study charts the fate of chemicals affecting health and the environment

New study charts the fate of chemicals affecting health and the environment
2014-10-20
Looking forward in science often requires looking back, evaluating trends to extrapolate future outcomes. A classic case is Moore's Law, which predicts that the density of components on an integrated circuit will double every 24 months. The estimate has helped guide many developments in the computer industry. In a new study, Rolf Halden, PhD, a researcher at Arizona State University's Biodesign Institute, examines the trajectory of chemicals appearing as emergent threats to human or environmental health. Halden's meta-analysis of 143,000 peer-reviewed research papers ...

Siblings of children with autism can show signs at 18 months

2014-10-20
About 20% of younger siblings of children with Autism Spectrum Disorder (ASD) will develop the condition by age 3. A new study by Yale School of Medicine researchers has found that 57% of these younger siblings who later develop the condition already showed symptoms at age 18 months. Published in the October Journal of the American Academy of Child & Adolescent Psychiatry, this is the first large-scale, multi-site study aimed at identifying specific social-communicative behaviors that distinguish infants with ASD from their typically and atypically developing high-risk ...

Obesity link to increased risk for orthopedic conditions and surgical complications

2014-10-20
ROSEMONT, Ill.—Obesity affects individual patient care, the healthcare system and nearly every organ in the body. People with obesity often have other health problems, including diabetes, heart disease, certain tumors and cancers, and psychiatric disorders. However, the role of obesity in orthopaedic conditions and their treatment is less well-publicized. According to orthopaedic surgeon William M. Mihalko, MD, PhD, of Campbell Clinic Orthopaedics in Memphis, Tenn., "obesity can accompany a multitude of comorbidities that can have a significant impact on a patient's ...

Positive subliminal messages on aging improve physical functioning in elderly

2014-10-20
Older individuals who are subliminally exposed to positive stereotypes about aging showed improved physical functioning that can last for several weeks, a new study led by the Yale School of Public Health has found. Researchers used a novel intervention method to examine for the first time whether exposure to positive age stereotypes could weaken negative age stereotypes and their effects over time, and lead to healthier outcomes. The study, to be published online in an upcoming issue of the journal Psychological Science, consisted of 100 older individuals (average ...

Fish tale: New study evaluates antibiotic content in farm-raised fish

Fish tale: New study evaluates antibiotic content in farm-raised fish
2014-10-20
Antibiotics—one of modernity's great success stories—are charms that come with a curse. Their overuse in human and animal populations can lead to the development of resistant microbial strains, posing a dire threat to global health. In a new study, Hansa Done, PhD candidate, and Rolf Halden, PhD, researchers at Arizona State University's Biodesign Institute, examine antibiotic use in the rapidly expanding world of global aquaculture. Done and Halden measured the presence of antibiotics in shrimp, salmon, catfish, trout, tilapia and swai, originating from ...

Sport in old age can stimulate brain fitness, but effect decreases with advancing age

2014-10-20
This news release is available in German. Physical exercise in old age can improve brain perfusion as well as certain memory skills. This is the finding of Magdeburg neuroscientists who studied men and women aged between 60 and 77. In younger individuals regular training on a treadmill tended to improve cerebral blood flow and visual memory. However, trial participants who were older than 70 years of age tended to show no benefit of exercise. Thus, the study also indicates that the benefits of exercise may be limited by advancing age. Researchers of the German Center ...

Frozen meal eaters have better intakes of key nutrients for fewer calories than QSR eaters

Frozen meal eaters have better intakes of key nutrients for fewer calories than QSR eaters
2014-10-20
ATLANTA (October 20, 2014) – New data presented today indicate that consumers of frozen meals (1) had higher daily intakes of dietary fiber, potassium, calcium and protein, and lower daily intakes of calories and saturated fat than consumers of quick service restaurant (QSR) meals (2). The poster, Consumption of Frozen Meals as Compared to Quick Service Restaurant Meals is Associated with Better Nutrient Intakes in Adult Participants of The National Health and Nutrition Examination Survey (2003-2010), was presented at the 2014 Academy of Nutrition and Dietetics Food ...

Secrets of dinosaur ecology found in fragile amber

2014-10-20
Boulder, CO, USA — Ryan McKellar's research sounds like it was plucked from Jurassic Park: he studies pieces of amber found buried with dinosaur skeletons. But rather than re-creating dinosaurs, McKellar uses the tiny pieces of fossilized tree resin to study the world in which the now-extinct behemoths lived. New techniques for investigating very tiny pieces of fragile amber buried in dinosaur bonebeds could close the gaps in knowledge about the ecology of the dinosaurs, said McKellar, who is a research scientist at the Royal Saskatchewan Museum in Saskatchewan, ...

Shopping for an egg donor: Is beauty, brains, or health most important?

Shopping for an egg donor: Is beauty, brains, or health most important?
2014-10-20
New Rochelle, NY, October 20, 2014—When it comes to picking an egg donor, until recent years, recipients tended to prefer someone with a similar appearance. Donor trait choices are changing, though, and which traits are now more preferable and why is the focus of "Beauty, Brains or Health: Trends in Ovum Recipient Preferences," an article published in Journal of Women's Health, a peer-reviewed publication from Mary Ann Liebert, Inc., publishers. The article is available free on the Journal of Women's Health website at http://online.liebertpub.com/doi/full/10.1089/jwh.2014.4792 ...

Heavy metal frost? A new look at a Venusian mystery

2014-10-20
Boulder, CO, USA — Venus is hiding something beneath its brilliant shroud of clouds: a first order mystery about the planet that researchers may be a little closer to solving because of a new re-analysis of twenty-year-old spacecraft data. Venus's surface can't be seen from orbit in visible light because of the planet's hot, dense, cloudy atmosphere. Instead, radar has been used by spacecraft to penetrate the clouds and map out the surface – both by reflecting radar off the surface to measure elevation and by looking at the radio emissions of the hot surface. ...

Design of micro and nanoparticles to improve treatments for Alzheimer's and Parkinson's

Design of micro and nanoparticles to improve treatments for Alzheimers and Parkinsons
2014-10-20
This news release is available in Spanish. Enara Herran, a researcher at the UPV/EHU's Department of Pharmacy and Pharmaceutical Technology, is working to improve the way Alzheimer's and Parkinson's treatments are administered. And it is a fact that, as Herran herself stressed, "both diseases are becoming more and more common in our society". Both disorders affect the neurones: their structure and function is lost, and this in turn leads to the deterioration in the patient's motor, cognitive, sensory and emotional functions. As Herran pointed out, in many cases ...

VIDEO: The Internet sleeps -- in some parts of the world

VIDEO: The Internet sleeps -- in some parts of the world
2014-10-20
VIDEO: The Internet "sleeps " -- but not everywhere. Find out why. Click here for more information. Researchers studying how big the Internet is have found that it "sleeps," almost like a living creature. The finding will help scientists and policymakers develop better systems to measure and track Internet outages, such as those that struck the New York area after Hurricane Sandy. Understanding how the Internet sleeps will help them avoid confusing a sleeping Internet with ...
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