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Drinking Water Can Boost Cognitive Performance
Date: Jul-18-2013There is evidence that mild dehydration has a negative effect on the brain's performance. Caroline Edmonds and colleagues from the University of East London and the University of Westminster here report that drinking water can improve performance on tasks that require a rapid response, particularly when thirsty. They tested 34 adults, who had not eaten or drunk anything overnight, for memory, attention, learning, and reaction time. Subjects were tested on two mornings: once after they had consumed a cereal bar and water, and once after eaten a cereal bar only...
Health Checks May Lead To Cost Effective Improvements In Health
Date: Jul-18-2013Archimedes Inc., a healthcare modeling company, has announced the results of a two-year long collaboration with Novo Nordisk A/S, a world leader in diabetes care, which evaluated the effects of standardized vascular health checks on expected health outcomes...
Genetic Changes Discovered That May Contribute To The Onset Of Schizophrenia
Date: Jul-18-2013Scientists from the Centre for Addiction and Mental Health (CAMH) have discovered rare genetic changes that may be responsible for the onset of schizophrenia. Several of these same genetic lesions had previously been found to have causal links to autism spectrum disorder (ASD). This discovery gives new support to the notion that multiple rare genetic changes may contribute to schizophrenia and other brain disorders. This discovery also suggests that clinical DNA (genome-wide microarray) testing may be useful in demystifying one of the most complex and stigmatized human diseases...
Osteoporosis Risk Likely Increased By Fat In Organs And Blood
Date: Jul-18-2013Excess fat around the belly has recently been identified as a risk factor for bone loss. Now, a new study has determined that excess liver and muscle fat also may be detrimental to bone. The study, published online in the journal Radiology, found that obese people with higher levels of fat in their liver, muscle tissue and blood also have higher amounts of fat in their bone marrow, putting them at risk for osteoporosis. "Obesity was once thought to be protective against bone loss," said study lead author Miriam A. Bredella, M.D...
Cause Of Cancer Spread: Discovery Of Hybrid Cells In Human Melanoma Revealed By CSI-Style DNA Fingerprinting
Date: Jul-18-2013The University of Colorado Cancer Center along with Yale University and the Denver Crime Lab report in the journal PLoS ONE the first proof of cancer's ability to fuse with blood cells in a way that gives cancer the ability to travel, allowing previously stationary cancer cells to enter the bloodstream and seed sites of metastasis around the body...
Patient's DNA Used To Target Disease Via Mathematical Models
Date: Jul-18-2013Medicines that are personally tailored to your DNA are becoming a reality, thanks to the work of U.S. and Chinese scientists who developed statistical models to predict which drug is best for a specific individual with a specific disease. "Traditional medicine doesn't consider mechanistic drug response," said Rongling Wu, director of the Center for Statistical Genetics and professor of public health sciences within the division of biostatistics and bioinformatics at the Penn State College of Medicine...
Lung Cancer Diagnosis Improved By RNA Diagnostic Test From Paraffin
Date: Jul-18-2013Knowing what type of lung cancer a patient has is critical to determine which drug will work best and which therapies are safest in the era of personalized medicine. Key to making that judgment is an adequate tumor specimen for the pathologist to determine the tumor's histology, a molecular description of a tumor based on the appearance of cells under a microscope. But not all specimens are perfect, and are sometimes so complex that a definitive diagnosis presents a challenge...
One Step Closer To Understanding How To Control Cancer Cells Without Harming Healthy Ones
Date: Jul-18-2013The nasty side effects of radiation and chemotherapy are well known: fatigue, hair loss and nausea, to name a few. Cancer treatment can seem as harsh as the disease because it can't differentiate healthy cells from cancerous cells, killing both. But what if there were a way to control or stop the growth of cancer cells without harming other cells? Brandeis biologist Michael T. Marr is one step closer to understanding how cells promote and inhibit protein synthesis - an essential part of cellular reproduction - during times of stress...
Should The Practice Of Automatically Transfusing Large Amounts Of Blood To Trauma Patients Continue?
Date: Jul-18-2013Researchers at St. Michael's Hospital are asking questions about the practice of automatically transfusing large amounts of blood and blood products to trauma patients with major bleeding. Trauma patients were resuscitated primarily with blood until the second part of the 20th century when the practice was modified so that blood transfusions were given only after lab tests suggested they were needed. The idea of resuscitating primarily with blood was revived after U.S...
Cardiac Patients Undergoing Acute Aortic Dissection Affected By Lunar Cycle
Date: Jul-18-2013If you need cardiac surgery in the future, aortic dissection in particular, reach for the moon. Or at least try to schedule your surgery around its cycle. According to a study at Rhode Island Hospital, acute aortic dissection (AAD) repair performed in the waning full moon appears to reduce the odds of death, and a full moon was associated with shorter length of stay (LOS). The study is published online in advance of print in the journal Interactive Cardiovascular and Thoracic Surgery...
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