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Better Quality Of Care For Chronically Ill Older Adults, Less Use Of Home Care Services, Through Guided Care
Date: Jan-21-2013Patients who received Guided Care, a comprehensive form of primary care for older adults with chronic health problems, rated the quality of their care much higher than patients in regular primary care, and used less home care, according to a study by researchers at Johns Hopkins University...
Revising The Technology Of The Post-Genomic Age And Its Contributions To The Advance Of Biomedicine
Date: Jan-21-2013The enormous complexity of biological processes requires the use of highÂperformance technologies (also known as 'Âomics') that are capable of carrying out complete integrated analyses of the thousands of molecules that cells are made up of, and of studying their role in illnesses. In the post-genomic age we find ourselves in, the comprehensive study of cellular proteins -proteomics - acquires a new dimension, as proteins are the molecular executors of genes and, therefore, the most important pieces of the puzzle if we wish to understand more completely how cells work...
New Insights Into The Mechanics Of Muscle Fatigue
Date: Jan-21-2013A study in The Journal of General Physiology examines the consequences of muscle activity with surprising results, indicating that the extracellular accumulation of potassium that occurs in working muscles is considerably higher than previously thought. Muscle excitation involves the influx of sodium ions and efflux of potassium ions. Although the fraction of ions that cross the muscle membrane with each contraction is minute, repeated activity can lead to substantial changes in the intracellular and extracellular concentrations of sodium and potassium ions...
Patterns Of Brain Activity Reveal Implicit Race Bias
Date: Jan-21-2013Racial stereotypes have been shown to have subtle and unintended consequences on how we treat members of different race groups. According to new research published in Psychological Science, a journal of the Association for Psychological Science, race bias also increases differences in the brain's representations of faces. Psychological scientists Tobias Brosch of the University of Geneva in Switzerland and Eyal Bar-David and Elizabeth Phelps of New York University examined activity in the brain while participants looked at pictures of White and Black faces...
Unique Insight Into The Often Misunderstood World Of Addiction
Date: Jan-21-2013People who take cocaine over many years without becoming addicted have a brain structure which is significantly different from those individuals who developed cocaine-dependence, researchers have discovered. New research from the University of Cambridge has found that recreational drug users who have not developed a dependence have an abnormally large frontal lobe, the section of the brain implicated in self-control. Their research was published in the journal Biological Psychiatry...
NFL Not Alone In Handling Concussions As 'Benign' Problems Says Health And Law Expert
Date: Jan-21-2013More than 2,000 former football players are suing the National Football League, saying the league should have taken action earlier to deal with injuries related to concussions more seriously. But if a lack of speed in tackling concussions warrants criticism, the NFL isn't the only player deserving a penalty, according to a study co-authored by health care and law expert David Orentlicher, who teaches at Indiana University Robert H. McKinney School of Law in Indianapolis...
Basic Research Reveals Mice On Viagra Resistant To Obesity
Date: Jan-21-2013Researchers from the University of Bonn discovered the signaling pathway by which potency enhancer Viagra might be able to fight excess weight Researchers from the University of Bonn treated mice with Viagra and made an amazing discovery: The drug converts undesirable white fat cells and could thus potentially melt the unwelcome "spare tire" around the midriff. In addition, the substance also decreases the risk of other complications caused by obesity. The results are now published in The Journal of the Federation of American Societies for Experimental Biology" (FASEB)...
It Just Takes A Few Extra Minutes A Day For Low-Income Families To Improve Their Kids' Health
Date: Jan-21-2013When low-income families devote three to four extra minutes to regular family mealtimes, their children's ability to achieve and maintain a normal weight improves measurably, according to a new University of Illinois study. "Children whose families engaged with each other over a 20-minute meal four times a week weighed significantly less than kids who left the table after 15 to 17 minutes. Over time, those extra minutes per meal add up and become really powerful," said Barbara H. Fiese, director of the U of I's Family Resiliency Program...
Exercise-Loving Mice Have Larger Midbrains
Date: Jan-21-2013Is athleticism linked to brain size? To find out, researchers at the University of California, Riverside performed laboratory experiments on house mice and found that mice that have been bred for dozens of generations to be more exercise-loving have larger midbrains than those that have not been selectively bred this way. Theodore Garland's lab measured the brain mass of these uniquely athletic house mice, bred for high voluntary wheel-running, and analyzed their high-resolution brain images...
How Immune Cells Navigate Through The Skin By Sensing Graded Patterns Of Immobilized Directional Cues
Date: Jan-21-2013Immune cells constantly patrol our body to check for foreign invaders, such as bacteria or viruses. To do so they leave the blood stream, actively crawl through tissues and finally re-enter the circulation via lymphatic vessels. Research from the laboratory of Michael Sixt elucidates how the cells are guided through tissues like the skin. It is thought that cells either sense their environment by 'touching' or 'smelling': They adhere to structural molecules like connective tissue proteins using adhesion receptors. Or they 'smell' soluble signal molecules with specialized surface receptors...
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