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超过一半的美国医生表示他们在工作中曾经有过度劳累的问题。 今天，Mayo Clinic和其他领先的医疗中心发表了“医生健康章程”，作为医疗机构的一个 预期模型不仅要最大限度地减少和管理医生的劳累过度，而且还要促进医生的健康福利。 《美国医学会杂志》（JAMA）在线发表了该章程。该章程已经得到许多主要医疗机构（包括美国医学协会和美国医学院协会）的赞成或支持。

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The findings could shed light on sickle cell diseases and other disorders where red blood cells are deformed.

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Cornell researchers have become the first to control atomically thin magnets with an electric field, a breakthrough that provides a blueprint for producing exceptionally powerful and efficient data storage in computer chips, among other applications.

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New study results demonstrate that the use of tourniquets improves survival in civilian trauma victims.

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MRIs show that babies with fragile X syndrome had less-developed white matter compared to infants that did not develop the condition. Imaging various sections of white matter from different angles can help researchers focus on the brain circuitry important for proper neuron communication.

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Tweeting praise or criticism gives you more power - and can pose a greater potential threat - than you may know, according to Michigan State University research. Researchers looked at the "GamerGate" controversy to uncover how one angry social media user inspired thousands to join its movement, amplify its messages, cyberbully innocent users and ultimately get thousands more to participate … without the users even knowing it.

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Climate change could disrupt a critical fueling-up stage for migratory birds just as they’re preparing to depart on their autumn journeys to Central America, according to research published in the journal Ecology Letters.

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A team including an Iowa State University researcher studied Galveston, Texas, homes following Hurricane Ike, finding that the types of housing and homeowners – and how U.S. recovery policy handles each – played a major role in recovery outcomes.

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By visualizing dopamine neurons in a tiny worm's brain, scientists have identified a novel pathway that sustains the health of these cells. The study shows that the normal actions of swip-10 to protect dopamine neurons are indirect, derived from the gene’s action in support cells called glia that lie adjacent to the dopamine neurons. Glial cells are recognized to play a critical role in shaping neuronal development, structure, and function, however, this research offers a clear demonstration that they also keep dopamine cells alive.

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A new study led by investigators at Beth Israel Deaconess Medical Center (BIDMC), Massachusetts General Hospital (MGH), and the Benson-Henry Institute for Mind Body Medicine at MGH identified genes associated with the body’s response to relaxation techniques and sheds light on the molecular mechanisms by which these interventions may work to lower blood pressure. The findings were published today in the Journal of Alternative and Complementary Medicine.

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The American Society for Radiation Oncology (ASTRO) today issued an update to its clinical guideline for the use of palliative-intent radiation therapy for patients with incurable non-small cell lung cancer (NSCLC). Reflecting new evidence from randomized clinical trials, the guideline now recommends the addition of concurrent chemotherapy to radiation therapy for certain patients with incurable stage III NSCLC, including those who are able to tolerate chemotherapy and have a life expectancy longer than three months.

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Eating a handful of pecans every day for four weeks improved certain markers of cardiometabolic disease risk, including insulin sensitivity, among a group of overweight and obese adults with excess abdominal fat, according to a new study.

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Injecting carbon dioxide deep underground into basalt flows holds promise as an abatement strategy. Now, new research by scientists at Washington University in St. Louis sheds light on exactly what happens underground during the process, illustrating precisely how effective the volcanic rock could be in trapping and converting CO2 emissions.

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Obesity is concentrated in “high-risk communities, where residents have limited access to healthy foods, limited open/green space, a lack of quality and accessible health care,” the report states, a so-called “ecology of disadvantage.”

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A new study found that weight gain, obesity can increase the risk of a serious liver disease in children as young as 8.

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A research team led by the National University of Singapore (NUS) have developed an economical and industrially viable strategy to produce graphene.

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Emus that lived isolated on Australia’s offshore islands until the 19th century, including Kangaroo Island, King Island and Tasmania, were smaller versions of their larger mainland relatives – and their overall body size correlated to the size of the islands they inhabited.

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Bowhead whales are constantly changing their tune, unlike the only other whale species that sings, the humpback.

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When it comes to staying hydrated, “just drink when you’re thirsty” has been a rule of thumb for years. Yet a recent study by University of Arkansas researchers may prove that thirst alone is not a reliable indicator of proper hydration levels.

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Belly fat affects the odds of women surviving kidney cancer but not men, according to a new study by researchers at Washington University School of Medicine in St. Louis. The findings suggest that kidney cancer may develop and progress differently in women than men.

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Mitochondria, known to most people as the “powerhouses of the cell”, have been recognized for decades as the cellular organelle where sugars and fats are oxidized to generate energy. Now, new research by UCLA scientists has found that not all mitochondria fit this definition.

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Dr. Nikolai Pogorelov is a professor in UAH’s Department of Space Science and a researcher with UAH’s Center for Space Plasma and Aeronomic Research. His co-authored paper shows that the disruption of the heliopause can be attributed to magnetohydrodynamic instability, possibly accompanied by magnetic reconnection."Three-dimensional Features of the Outer Heliosphere Due to Coupling between the Interstellar and Heliospheric Magnetic Field.

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In a new study published in Nature Geoscience, researchers analyzed remote-sensing data from two lunar missions and concluded that water appears to be evenly spread across the surface of the moon, not confined to a particular region or type of terrain as previously thought. The study was led by Northern Arizona University planetary scientist Christopher Edwards.

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What steps can employers take to reduce the high costs and health impact of mental health issues? An expert Advisory Council has developed a set of recommendations for improving mental health and well-being in the workplace, according to a report in the April Journal of Occupational and Environmental Medicine.

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Since their arrivals at Yale within the past six years, Patricia LoRusso (right) and Joseph Paul Eder (center)—shown conferring with Clinical Research Coordinator Alexandra Minnella—have overseen a sharp increase in the number of clinical trials conducted by the Phase I Program at Yale Cancer Center.

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Los médicos que reciben comentarios negativos por internet no obtienen las mismas respuestas en los sondeos rigurosos que se llevan a cabo para conocer la satisfacción de los pacientes, según informa un nuevo estudio de Mayo Clinic Proceedings.

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With research showing that male circumcision reduces the odds of getting HIV through heterosexual sex by 60 percent, more boys and young men – primarily those between the ages of 10 and 19 – are having the procedure done, largely in eastern and southern African nations where circumcision is rarely performed at birth.

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In a study published April 2 in the journal Advanced Materials, a University at Buffalo-led research team describes how kirigami has inspired its efforts to build malleable electronic circuits.

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Preterm neonates who are exposed to caffeine within the first seven days after birth have reduced incidence and severity of acute kidney injuries than neonates who did not, according to findings from the Neonatal Kidney Collaborative’s Assessment of Worldwide Acute Kidney Injury Epidemiology in Neonates study, published in JAMA Pediatrics.

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根据Mayo Clinic Proceedings上发表的Mayo Clinic的一项最新研究，有在线负面评论的医师在严格设计的患者满意度调查中并没有得到类似的差评。 然而，与其没有负面评论的同事相比，他们在与患者互动之外的其不能控制的领域内（如泊车）的得分较低。

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A University of Delaware researcher is investigating a novel compound's role in combating age-related chronic diseases like mild cognitive disorder and dementia. The study is funded by a grant from the National Institute on Aging.

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Integrative medicine has become an increasingly popular way to enhance treatment for health concerns. At Mayo Clinic, two forms of integrative medicine ─ acupuncture and massage ─ have already helped numerous patients.

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Men on hormone therapy for prostate cancer may benefit significantly from hitting the gym with fellow patients and choosing more veggies and fewer cheeseburgers, a new study suggests.

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Drs. John Christy and Roy Spencer of UAH's Earth System Science Center used a difference-minimizing algorithm to compensate for spurious data collected by a drifting weather satellite, NOAA-14.

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A one-two combo punch using two currently available drugs could be an effective treatment for the majority of lung cancers, a study by scientists with UT Southwestern’s Simmons Cancer Center shows.

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Despite seeing it millions of times in pretty much every picture book, every novel, every newspaper and every email message, people are essentially unaware of the more common version of the lowercase print letter “g.”

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A new FAU study shows that expatriates’ personality characteristics have a lot to do with how well they adjust and whether they succeed and provide a return on a company’s considerable investment in an individual.

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Scientists at The Scripps Research Institute have discovered a new aspect of the flu virus and how it interacts with antibodies in the lungs.

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Material left out of common processes for sequencing genetic material in cancer tumors may actually carry important information about why only some people respond to immunotherapy, possibly offering better insight than the type of material that is being sequenced, according to a study by Mount Sinai researchers published on April 3 in Cell Reports.

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Massachusetts Eye and Ear researchers have shown that mifepristone, a drug currently FDA-approved for chemical abortion, prevents the growth of vestibular schwannoma (also known as acoustic neuroma) cells. This sometimes-lethal intracranial tumor typically causes hearing loss and tinnitus. The findings, published online today in Scientific Reports, suggest that mifepristone is a promising drug candidate to be repositioned for the treatment of these tumors.

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A team of researchers including scientists from the University of Georgia has found that the resurgence of pertussis, more commonly known as whooping cough, in the U.S. is a predictable consequence of incomplete coverage with a highly effective vaccine. This finding goes against pervasive theories on why we are seeing a steady increase in the disease even though the vaccine is given at an early age.

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Seven of the 11 animal viruses tested can potentially survive the transglobal journey from Asia or Europe to the United States in at least two commonly imported feed ingredients. That means feed biosecurity should be a major priority.

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A new study suggests that resistance exercise may improve indicators of type 2 diabetes by increasing expression of a protein that regulates blood sugar (glucose) absorption in the body.

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Typically, when a soundwave strikes a surface, it reflects back at the same fundamental frequency with a different amplitude. A new model, reported in the Journal of Applied Physics, shows that when a sound wave hits a nonlinear elastic metasurface, the incident fundamental frequency does not bounce back. Instead, the metasurface converts that energy into the wave’s second harmonic resonance. Developing this metasurface could help architects reduce noise from performance halls to cityscapes.

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Cancer therapies that target a specific protein have improved outcomes for patients. However, many patients eventually develop resistance to these targeted therapies and their cancer comes back. It is believed that differences among tumor cells, or heterogeneity, may contribute to this drug resistance. Moffitt Cancer Center researchers are using a unique approach by combining typical cell culture studies with mathematical modeling to determine how heterogeneity within a tumor and the surrounding tumor environment affect responses to targeted drug therapies.

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Alcohol use in social settings can have both desirable and undesirable effects – ranging from better mood and less anxiety to verbal and physical aggression, including violence. These outcomes often reflect the interplay of factors that are both internal and external to an individual. Intra-individual differences in alcohol reactions contribute to the various internal responses to drinking that a person may have; for example, alcohol can induce both positive and negative effects in the same person at different times. However, how that person acts upon impulses that he or she may have can depend on inter-individual differences, such as the individual’s frequency or intensity of drinking in comparison to others. This study examined the influence of inter-individual differences in alcohol use on intra-individual perceptions of drinking during real-world social interactions.

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So what is it about the link between drinking coffee and living longer? Could it be the 200 plus organic compounds in the coffee bean itself and its proven benefits of reducing inflammation and regulating glucose levels? Or could it be something else?

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Value in Health, the official journal of ISPOR (the professional society for health economics and outcomes research), announced today the publication of new research suggesting that while payers recognize the value of real-world evidence, the use of such studies to inform pharmacy and therapeutic (P&T) committee decisions is limited.

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Few older adults use medical marijuana, a new national poll finds, but the majority support its use if a doctor recommends it, and might talk to their own doctor about it if they developed a serious health condition. And two-thirds say the government should do more to study the drug’s health effects.

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Differences between signed and spoken languages are significant, yet the underlying neural processes we use to create complex expressions are quite similar for both, a team of researchers has found.