STEMI incidence falls in southern Switzerland after smoking ban implemented
2013-08-31
Second-hand smoke increases the risk of coronary artery disease and acute myocardial infarction. For this reason, health policies aimed at reducing tobacco consumption and public smoke exposure are strongly recommended.
Dr Porretta said: "Canton Ticino (CT), which is one of the 26 cantons of the Swiss Federation, was the first Swiss canton to introduce a smoking ban in April 2007. We had the opportunity to assess the long-term impact of the smoking ban on the incidence of ST-segment elevation myocardial infarction (STEMI) and to compare STEMI epidemiology with Canton ...
GPs undertreat women with AF
2013-08-31
Amsterdam, The Netherlands – Saturday 31 August 2013: General practitioners (GPs) undertreat women with atrial fibrillation (AF), according to research presented at ESC Congress 2013 today by Dr Pierre Sabouret from France. The analysis of more than 15,000 patients showed that women were undertreated with antithrombotic medications compared to men regardless of their stroke risk and comorbidities.
Dr Sabouret said: "Gender-related differences among outpatients with stable coronary artery disease are well known.1-6 Heart diseases are one of the most important causes of ...
Brain imaging study reveals the wandering mind behind insomnia
2013-08-31
DARIEN, IL – A new brain imaging study may help explain why people with insomnia often complain that they struggle to concentrate during the day even when objective evidence of a cognitive problem is lacking.
"We found that insomnia subjects did not properly turn on brain regions critical to a working memory task and did not turn off 'mind-wandering' brain regions irrelevant to the task," said lead author Sean P.A. Drummond, PhD, associate professor in the department of psychiatry at the University of California, San Diego, and the VA San Diego Healthcare System, and ...
Study reveals the face of sleep deprivation
2013-08-31
DARIEN, IL – A new study finds that sleep deprivation affects facial features such as the eyes, mouth and skin, and these features function as cues of sleep loss to other people.
Results show that the faces of sleep-deprived individuals were perceived as having more hanging eyelids, redder eyes, more swollen eyes and darker circles under the eyes. Sleep deprivation also was associated with paler skin, more wrinkles or fine lines, and more droopy corners of the mouth. People also looked sadder when sleep-deprived than after normal sleep, and sadness was related to looking ...
Red spruce reviving in New England, but why?
2013-08-31
BURLINGTON, Vt., August 30, 2013 – In the 1970s, red spruce was the forest equivalent of a canary in the coal mine, signaling that acid rain was damaging forests and that some species, especially red spruce, were particularly sensitive to this human induced damage. In the course of studying the lingering effects of acid rain and whether trees stored less carbon as a result of winter injury, U.S. Forest Service and University of Vermont scientists came up with a surprising result – three decades later, the canary is feeling much better.
Decline in red spruce has been attributed ...
Drug design success propels efforts to fight HIV with a combination of 2 FDA-approved drugs
2013-08-31
MINNEAPOLIS/ST. PAUL (08/30/2013) – A University of Minnesota research team featuring researchers from the Institute for Molecular Virology, School of Dentistry and Center for Drug Design has developed a new delivery system for a combination of two FDA approved drugs that may serve as an effective treatment for the human immunodeficiency virus (HIV).
The discovery, which allows for a combination of decitabine and gemcitabine to be delivered in pill form, marks a major step forward in patient feasibility for the drugs, which previously had been available solely via injection ...
New ocean forecast could help predict fish habitat 6 months in advance
2013-08-31
People are now used to long-term weather forecasts that predict what the coming winter may bring. But University of Washington researchers and federal scientists have developed the first long-term forecast of conditions that matter for Pacific Northwest fisheries.
"Being able to predict future phytoplankton blooms, ocean temperatures and low-oxygen events could help fisheries managers," said Samantha Siedlecki, a research scientist at the UW-based Joint Institute for the Study of the Atmosphere and Ocean.
"This is an experiment to produce the first seasonal prediction ...
Mosquitoes smell you better at night, study finds
2013-08-31
In work published this week in Nature: Scientific Reports, a team of researchers from the University of Notre Dame's Eck Institute for Global Health, led by Associate Professor Giles Duffield and Assistant Professor Zain Syed of the Department of Biological Sciences, revealed that the major malaria vector in Africa, the Anopheles gambiae mosquito, is able to smell major human host odorants better at night.
The study reports an integrative approach to examine the mosquito's ability to smell across the 24-hour day and involved proteomic, sensory physiological, and behavioral ...
NASA's Hubble sees a cosmic caterpillar
2013-08-30
This light-year-long knot of interstellar gas and dust resembles a caterpillar on its way to a feast. But the meat of the story is not only what this cosmic caterpillar eats for lunch, but also what's eating it. Harsh winds from extremely bright stars are blasting ultraviolet radiation at this "wanna-be" star and sculpting the gas and dust into its long shape.
The culprits are 65 of the hottest, brightest known stars, classified as O-type stars, located 15 light-years away from the knot, towards the right edge of the image. These stars, along with 500 less bright, but ...
NASA's Landsat revisits old flames in fire trends
2013-08-30
The Wallow Fire burned over 500,000 acres, making it the largest fire in Arizona history, to date. It is one of many large fires that fire managers and researchers have seen scorch forests nationwide since the early 2000s.
"We have entered a new era where we're definitely seeing higher fire activity," said Philip Dennison, a geographer at the University of Utah in Salt Lake City.
With busy fire seasons, scientists and fire managers are interested in how and why fire frequency, severity and duration changes over time. To help investigate these trends, the U.S. Forest ...
Sea-level rise drives shoreline retreat in Hawaii
2013-08-30
Sea-level rise (SLR) has been isolated as a principal cause of coastal erosion in Hawaii. Differing rates of relative sea-level rise on the islands of Oahu and Maui, Hawaii remain as the best explanation for the difference in island-wide shoreline trends (that is, beach erosion or accretion) after examining other influences on shoreline change including waves, sediment supply and littoral processes, and anthropogenic changes. Researchers from the University of Hawaii – Manoa (UHM), School of Ocean and Earth Science and Technology (SOEST) and the State of Hawaii, Department ...
Dueling infections: 1 keeps the other at bay, say UCSB anthropologists
2013-08-30
(Santa Barbara, Calif.) –– If the idea of hookworms makes you shudder, consider this: Those pesky intestinal parasites may actually help your body ward off other infections, and perhaps even prevent autoimmune and other diseases.
Studying members of the Tsimane, an indigenous population in the lowlands of Central Bolivia, UC Santa Barbara anthropologists Aaron Blackwell and Michael Gurven found that individuals infected by helminths –– parasitic worms –– were less likely than their counterparts to suffer from giardia, an intestinal malady caused by a flagellated protozoa. ...
Salk researchers develop new model to study schizophrenia and other neurological conditions
2013-08-30
LA JOLLA, CA ---- Schizophrenia is one of the most devastating neurological conditions, with only 30 percent of sufferers ever experiencing full recovery. While current medications can control most psychotic symptoms, their side effects can leave individuals so severely impaired that the disease ranks among the top ten causes of disability in developed countries.
Now, in this week's issue of the Proceedings of the National Academy of Sciences, Thomas Albright and Ricardo Gil-da-Costa of the Salk Institute for Biological Studies describe a model system that completes ...
Oral nutritional supplements demonstrate significant health and cost benefits
2013-08-30
ABBOTT PARK, Ill., Aug. 30, 2013 – Abbott (NYSE: ABT) A recent health economics and outcomes study, conducted by leading health economists and supported by Abbott, found that oral nutritional supplements provided to patients during hospitalization were associated with significant reductions in length of stay and hospitalization cost. Additionally, the 30-day readmission risk was significantly reduced for patients with at least one known subsequent readmission.
The study is being presented this weekend at the European Society for Clinical Nutrition and Metabolism (ESPEN) ...
Alaska tundra shows surprising resilience after unprecedented fire
2013-08-30
Despite the size and severity of the massive 2007 Anaktuvuk River fire on Alaska's North Slope, much of the arctic vegetation has recovered and the tundra is likely to return to its pre-fire condition according to University of Alaska Fairbanks scientist Syndonia "Donie" Bret-Harte and colleagues in a recent scientific paper.
In April 2007, a wall of smoke was visible 23 miles south of the fire at the UAF Institute of Arctic Biology Toolik Field Station where Bret-Harte, co-authors and other scientists had several arctic research projects underway. Tundra fires on the ...
The more the merrier
2013-08-30
We know from earlier studies that mice can derive genetic benefits when females mate with multiple males, but until recently, the conditions under which females will voluntarily mate with multiple males were not clear. Kerstin Thonhauser and her colleagues from the Konrad Lorenz Institute of Ethology of the Vetmeduni Vienna conducted a series of experiments in which female wild-derived house mice (Mus musculus) could mate freely with one or two males while not in danger of sexual coercion by a male. The results provide evidence for the infanticide avoidance explanation. ...
Rheumatoid arthritis: Biologics in second-line therapy show benefit
2013-08-30
The German Institute for Quality and Efficiency in Health Care (IQWiG) examined 9 biotechnologically produced drugs for the treatment of adults with rheumatoid arthritis in whom prior pharmacological treatment had failed. According to the findings, for each drug the data provide proof, an indication, or at least a hint of a benefit in relation to at least one outcome criterion. This is the conclusion of the final report published by IQWiG on 26 August 2013.
In comparison to the preliminary report, additional data and studies confirm the positive effect of biologics. However, ...
Membranes contain beautiful patterns -- but their function is a mystery
2013-08-30
"We do not yet know what the possible biological function of this might be. There should be a reason for the patterns, we just have not discovered it yet", says associate professor Adam Cohen Simonsen, Department of Physics, Chemistry and Pharmacy, University of Southern Denmark.
With his colleagues Jes Dreier, Jonathan Brewer, John Hjort Ipsen and Uffe Bernchou (now Odense University Hospital) from the research group MEMPHYS at Department of Physics, Chemistry and Pharmacy at the University of Southern Denmark, he has discovered that cell membranes can form spectacular ...
Little changes -- large effects
2013-08-30
Scientists at the University of York have discovered that very small chemical changes to dietary flavonoids cause very large effects when the plant natural products are tested for their impact on the human immune system.
Plants are capable of making tens of thousands of different small molecules – an average leaf for example, produces around 20,000. Many of these are found in a typical diet and some are already known to have medicinal properties with effects on health, diseases and general well-being.
Now plant biologists and immunologists at York have joined forces ...
UNC researchers find promising new angle for drugs to prevent stroke and heart attack
2013-08-30
CHAPEL HILL, N.C. – Platelets, which allow blood to clot, are at the heart of numerous cardiovascular problems, including heart attacks and stroke. New research has uncovered a key platelet protein that could offer a new angle for developing drugs to prevent thrombosis, or dangerous blood clots, in patients who are at high risk such as those with atherosclerosis or a history of heart problems.
"I think we're at the start of an exciting journey of drug discovery for a new class of antithrombotic therapies," said lead study author Stephen Holly, PhD, assistant professor ...
Researchers identify new drug target for treating jet lag and shift work disorders
2013-08-30
University of Notre Dame researchers, as part of a collaborative effort, have identified a protein that potentially could be a target for drugs that that would help people recover faster from jet lag and better adjust their circadian rhythms during rotational shift work. The study appears in the Aug. 29th issue of the journal Cell. It can be found at: http://www.sciencedirect.com/science/article/pii/S0092867413009616
An internal circadian body clock helps virtually all creatures synchronize their bodily functions to the 24-hour cycle of light and dark in a day. However, ...
Rim Fire update -- Aug. 30, 2013
2013-08-30
Update for August 30, 2013 - The fire is over 201,00 acres as of 6 am this morning, Aug. 30, 2013 with containment at 32%. More than 40,000 acres of that fire have burned within Yosemite National Park. At least 111 structures have been destroyed by the fire, which has been burning since Aug. 17.
According to Inciweb.org: "Burnout operations continued overnight in the southeastern area of the fire. Fire crews continued construction of fire line along 3N01 Road to stop fire spread to the north. Structure defense continues in all fires area. Today's plans are to continue ...
Researchers a step closer to finding cosmic ray origins
2013-08-30
The origin of cosmic rays in the universe has confounded scientists for decades. But a study by researchers using data from the IceCube Neutrino Observatory at the South Pole reveals new information that may help unravel the longstanding mystery of exactly how and where these "rays" (they are actually high-energy particles) are produced.
Cosmic rays can damage electronics on Earth, as well as human DNA, putting astronauts in space especially at risk.
The research, which draws on data collected by IceTop, the IceCube Observatory's surface array of detectors, is published ...
From cancer treatment to ion thruster
2013-08-30
Nanosatellites are smartphone-sized spacecraft that can perform simple, yet valuable, space missions. Dozens of these little vehicles are now tirelessly orbiting the earth performing valuable functions for NASA, the Department of Defense and even private companies.
Nanosatellites borrow many of their components from terrestrial gadgets: miniaturized cameras, wireless radios and GPS receivers that have been perfected for hand-held devices are also perfect for spacecraft. However, according to Michigan Technological University's L. Brad King, there is at least one technology ...
NASA's TRMM sees heavy rain over Taiwan from Tropical Storm Kong-Rey
2013-08-30
NASA's Tropical Rainfall Measuring Mission or TRMM satellite flew directly above western Taiwan on August 28, 2013 at 2108 UTC when Tropical Storm Kong-Rey was dropping enormous amounts of rain. Kong-Rey is expected to affect Japan over the next several days while moving parallel to its western coastline.
Flooding from torrential rainfall with totals of over 500 mm (~19.7 inches) have been reported in western Taiwan. A rainfall analysis from TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) instruments revealed that precipitation was falling was at a rate of ...
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