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Research Reveals Sterilized Dogs Live Longer
Date: Apr-20-2013Many dog owners have their pets spayed or neutered to help control the pet population, but new research from the University of Georgia suggests the procedure could add to the length of their lives and alter the risk of specific causes of death. Looking at a sample of 40,139 death records from the Veterinary Medical Database from 1984-2004, researchers determined the average age at death for intact dogs - dogs that had not been spayed or neutered - was 7.9 years versus 9.4 years for sterilized dogs. The results of the study were published in PLOS ONE...
Breast Cancer Survivors Rarely Maintain Adequate Physical Activity Despite Benefits
Date: Apr-20-2013Breast cancer survivors are among the women who could most benefit from regular physical activity, yet few meet national exercise recommendations during the 10 years after being diagnosed, according to a study by researchers at Fred Hutchinson Cancer Research Center. Prior studies and available evidence show a strong association between physical activity and reduced mortality, extended survival and higher quality of life among breast cancer survivors. With 2.9 million breast cancer survivors living in the U.S...
Sewage Study Reveals Half Of Tamiflu Prescriptions Went Unused During 2009 H1N1 Swine Flu Pandemic
Date: Apr-20-2013A new study concludes that approximately half of the prescriptions of Tamiflu during the 2009-10 influenza pandemic went unused in England. The unused medication represents approximately 600,000 courses of Tamiflu at a cost of around 7.8 million pounds to the UK taxpayer. The novel scientific method used in the study could help measure and improve the effectiveness of future pandemic flu strategies...
Vital Clues About Brain Tumors Provided By Virus-Like Particles
Date: Apr-20-2013"Current wisdom says that cells are closed entities that communicate through the secretion of soluble signalling molecules. Recent findings indicate that cells can exchange more complex information - whole packages of genetic material and signalling proteins. This is an entirely new conception of how cells communicate", says Dr Mattias Belting, Professor of Oncology at Lund University and senior consultant in oncology at Skane University Hospital, Lund, Sweden. Exosomes are small vesicles of only 30 nm...
Parents Tend To Share More Bacteria With Family Dogs Than Children
Date: Apr-20-2013As much as dog owners love their children, they tend to share more of themselves, at least in terms of bacteria, with their canine cohorts rather than their kids. That is just one finding of a new study led by the University of Colorado Boulder that looked at the types and transfer modes of microbes from the guts, tongues, foreheads and palms (or paws) of members of 60 American families, including canines...
Natural Process Discovered That Blocks Viruses
Date: Apr-20-2013The human body has the ability to ward off viruses by activating a naturally occurring protein at the cellular level, setting off a chain reaction that disrupts the levels of cholesterol required in cell membranes to enable viruses to enter cells. The findings, discovered by researchers in molecular microbiology and immunology at the Keck School of Medicine of USC, hold promise for the development of therapies to fight a variety of viral infections. "Previous studies have shown that our bodies are already equipped to block viruses such as Ebola, influenza, West Nile, and SARS," said Jae U...
Memory Loss Reversed In Animal Brain Cells
Date: Apr-20-2013Neuroscientists at The University of Texas Health Science Center at Houston (UTHealth) have taken a major step in their efforts to help people with memory loss tied to brain disorders such as Alzheimer's disease. Using sea snail nerve cells, the scientists reversed memory loss by determining when the cells were primed for learning. The scientists were able to help the cells compensate for memory loss by retraining them through the use of optimized training schedules. Findings of this proof-of-principle study appear in the The Journal of Neuroscience...
Brain Activity Distinguishes An Autistic Brain From A Non-Autistic Brain
Date: Apr-20-2013Neuroscientists from Case Western Reserve University School of Medicine and the University of Toronto have developed an efficient and reliable method of analyzing brain activity to detect autism in children. Their findings appear in the online journal PLOS ONE. The researchers recorded and analyzed dynamic patterns of brain activity with magnetoencephalography (MEG) to determine the brain's functional connectivity - that is, its communication from one region to another. MEG measures magnetic fields generated by electrical currents in neurons of the brain...
Babies Show Adult-Like Consciousness As Early As Five Months
Date: Apr-20-2013Babies become conscious of their environment by the time they are five months old, according to a new study by French neuroscientists. By the time infants reach three months of age, their developing brains have trillions of connections and the weight of those firing neurons triples within the first year of life...
Increasing The Convenience Of Fruit May Increase Consumption In School Cafeterias
Date: Apr-20-2013Previous studies and surveys have shown that kids love to eat fruit in ready-to-eat bite-sized pieces, yet in most school settings, the fruit is served whole, which could be the cause that children are taking fruits but not eating them. Most people believe that children avoid fruit because of the taste and allure of alternative packaged snacks. A study by Cornell University's Food and Brand Lab researchers Brian Wansink, David Just, Andrew Hanks, and Laura Smith decided to get to the bottom of why children were avoiding their fruit...
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