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Depressed people have a more accurate perception of time
Date: Aug-26-2013People with mild depression underestimate their talents. However, new research carried out researchers at the University of Limerick and the University of Hertfordshire shows that depressed people are more accurate when it comes to time estimation than their happier peers.�� Depressed people often appear to distort the facts and view their lives more negatively than non-depressed people. Feelings of helplessness, hopelessness and worthlessness and of being out of control are some of the main symptoms of depression...
Nursing infection preventionists invaluable to improving hand hygiene rates and decreasing hospital-acquired infections
Date: Aug-26-2013Hand hygiene is the single most important step caregivers can take in preventing hospital-acquired infections, yet research shows that nurses and other caregivers often don't follow recommended guidelines for hand hygiene - and are only in compliance from 30 percent to 48 percent of the time, depending on which study is being cited. "Nurses often are overworked and get busy and sometimes cut corners in their work. This might mean they 'skip' handwashing because they feel they don't have the time," says Cheryl Wagner, Ph.D...
How our own bodies help turn cancer against us
Date: Aug-26-2013In an unexpected finding, scientists have linked the activation of a stress gene in immune-system cells to the spread of breast cancer to other parts of the body. Researchers say the study suggests this gene, called ATF3, may be the crucial link between stress and cancer, including the major cause of cancer death - its spread, or metastasis. Previous public health studies have shown that stress is a risk factor for cancer. Researchers already know that ATF3 is activated, or expressed, in response to stressful conditions in all types of cells...
Review article addresses fecal microbiota transplantation
Date: Aug-26-2013Fecal microbiota transplantation (FMT) has emerged as a highly effective treatment for recurrent Clostridium difficile (C. difficile) infection, with very early experience suggesting that it may also play a role in treating other gastrointestinal (GI) and non-GI diseases. The topic is examined in the Review Article, An overview of fecal microbiota transplantation: techniques, indications, and outcomes" in the August issue of GIE: Gastrointestinal Endoscopy, the monthly peer-reviewed scientific journal of the American Society for Gastrointestinal Endoscopy (ASGE)...
Researchers create cells that line blood vessels
Date: Aug-26-2013In a scientific first, Harvard Stem Cell Institute scientists have successfully grown the cells that line the blood vessels - called vascular endothelial cells - from human induced pluripotent stem cells (iPSCs), revealing new details about how these cells function. Using a unique approach, the researchers induced the differentiation of specific cell types by generating mechanical forces on the surface of the iPSC-derived endothelium mimicking the flow of blood. For example, cells that felt a stronger "flow" became artery cells, while those that felt a weaker "flow" became vein cells...
Scientists develop new way to detect threatening nanoparticles in food
Date: Aug-26-2013Over the last few years, the use of nanomaterials for water treatment, food packaging, pesticides, cosmetics and other industries has increased. For example, farmers have used silver nanoparticles as a pesticide because of their capability to suppress the growth of harmful organisms. However, a growing concern is that these particles could pose a potential health risk to humans and the environment. In a new study, researchers at the University of Missouri have developed a reliable method for detecting silver nanoparticles in fresh produce and other food products...
Focus on lifestyle changes rather than weight loss may be key to kids' health
Date: Aug-26-2013A UCLA School of Nursing study has found that both healthy-weight and obese children who participated in an intensive lifestyle modification program significantly improved their metabolic and cardiovascular health despite little weight loss. "These findings suggest that short-term lifestyle modifications through changing diet and exercise can have an immediate impact on improving risk factors such as cardiovascular disease and diabetes," said Christian Roberts, an associate research professor at the UCLA School of Nursing and the study's lead author...
The harmful effects of arsenic now include lung damage
Date: Aug-26-2013A new study confirms that exposure to low to moderate amounts of arsenic in drinking water can impair lung function. Doses of about 120 parts per billion of arsenic in well water - about 12 times the dose generally considered safe - produced lung damage comparable to decades of smoking tobacco. Smoking, especially by males, made arsenic-related damage even worse. This is the first population-based study to clearly demonstrate significant impairment of lung function, in some cases extensive lung damage, associated with low to moderate arsenic exposure...
More evidence supporting development of noninvasive tests for kidney transplant outcomes
Date: Aug-26-2013Levels of a protein in the urine of kidney transplant recipients can distinguish those at low risk of developing kidney injury from those at high risk, a study suggests. The results also suggest that low levels of this protein, called CXCL9, can rule out rejection as a cause of kidney injury. The study appears online in the American Journal of Transplantation. The work was funded by the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health. To prevent rejection, kidney transplant recipients typically take immunosuppressive drugs every day...
Distance helps people find clarity in the face of trauma
Date: Aug-26-2013In the wake of tragedies such as the Sandy Hook school shooting, the Boston Marathon bombing and the devastating explosion in the Texas town of West, people are often left asking, "Why did this happen?" According to new research from The University of Texas at Austin, the best way to make sense of tragedy is to turn away from detailed reports in the news and social media and adopt a more simplified understanding of the event...
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