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Promising New Approach To Preventing Progression Of Breast Cancer
Date: Feb-19-2013Doctors currently struggle to determine whether a breast tumor is likely to shift into an aggressive, life-threatening mode - an issue with profound implications for treatment. Now a group from The Scripps Research Institute (TSRI) has identified a mechanism through which mitochondria, the powerhouses of a cell, control tumor aggressiveness. Based on their findings, the team developed a simple treatment that inhibits cancer progression and prolongs life when tested in mice...
'Big Pharma' Fails At Self-Policing ED Drug Advertising: Study
Date: Feb-19-2013The pharmaceutical industry's efforts to self-regulate its direct-to-consumer (DTC) advertising are "an industry-sponsored ruse," intended to deflect criticism and collectively block new Federal regulation, a study released in the Journal of Health Politics, Policy and Law found...
Meta-Analyses Of Bisphenol A Studies Show Human Exposure Is Likely To Be Too Low For Estrogenic Effects
Date: Feb-19-2013A controversial component of plastic bottles and canned food linings that have helped make the world's food supply safer has recently come under attack: bisphenol A. Widely known as BPA, it has the potential to mimic the sex hormone estrogen if blood and tissue levels are high enough. Now, an analysis of almost 150 BPA exposure studies shows that in the general population, people's exposure may be many times too low for BPA to effectively mimic estrogen in the human body...
Potential To Prevent And Treat Alzheimer's Disease Offered By Novel Herbal Compound
Date: Feb-19-2013Administration of the active compound tetrahydroxystilbene glucoside (TSG) derived from the Chinese herbal medicine Polygonum multiflorum Thunb, reversed both overexpression of α-synuclein, a small protein found in the brain, and its accumulation using a mouse model of Alzheimer's disease. These results, which may shed light on the neuropathology of AD and open up new avenues of treatment, are available in the current issue of Restorative Neurology and Neuroscience...
Seeking Roots Of Obsessive Behavior, Motion Disorders
Date: Feb-19-2013Learning, memory and habits are encoded in the strength of connections between neurons in the brain, the synapses. These connections aren't meant to be fixed, they're changeable, or plastic. Duke University neurologist and neuroscientist Nicole Calakos studies what happens when those connections aren't as adaptable as they should be in the basal ganglia, the brain's "command center" for turning information into actions. "The basal ganglia is the part of the brain that drives the car when you're not thinking too hard about it," Calakos said...
Biologists And Physicists Produce Revealing Images Of Cell Organization, Behavior - Seeing Is Believing
Date: Feb-19-2013When difficult biological questions are tackled by creative experts in physics, what can result? Images of great beauty, accessible for anyone to appreciate, that also offer rich information on fundamental life processes, and rewarding new paths for analysis and insight. This leading edge of interdisciplinary collaboration in microscopy was explored in "Innovations in Imaging: Seeing is Believing," at the AAAS Annual Meeting in Boston...
Breastfeeding All Newborns Could Save 830,000 Lives A Year
Date: Feb-19-2013If all mothers breastfed their newborns straight away after they were born, about 830,000 lives annually would be saved, says Save the Children in a new report. The authors added that there are four major barriers to better breastfeeding. In their report, titled "Superfood for Babies", Save the Children emphasized that there are four barriers that make it harder for more women to breastfeed successfully, including during the critical "power hour" immediately after birth...
Physical Activity Really Does Enhance Cognition
Date: Feb-19-2013Exercise doesn't only strengthen your heart and muscles - it also beefs up your brain. Dozens of studies now show that aerobic exercise can increase the size of critical brain structures and improve cognition in children and older adults. University of Illinois psychology professor Art Kramer, a nationally recognized expert on the role of physical fitness on cognition, discussed these brain-changing outcomes at a session of the 2013 meeting of the American Association for the Advancement of Science in Boston...
Looking At Our Evolutionary Past To Understand Today's Health Problems
Date: Feb-19-2013Bunions bothering you? How about lower back pain, or impacted wisdom teeth? As we humans evolved over the millennia to walk on two legs, grow larger brains and shorter jaws, bear big babies and live longer, we've also experienced some negative consequences on our way to becoming the world's most successful primate, at nearly 7 billion strong...
New Frontiers In Trauma And Stroke Recovery: Teaching The Brain To Speak Again
Date: Feb-19-2013Cynthia Thompson, a world-renowned researcher on stroke and brain damage, discussed her groundbreaking research on aphasia and the neurolinguistic systems it affects at the annual meeting of the American Association for the Advancement of Science (AAAS). An estimated one million Americans suffer from aphasia, affecting their ability to understand and/or produce spoken and/or written language. Thompson, Northwestern's Ralph and Jean Sundin Professor of Communication Sciences, participated in a media briefing on "Tools for Regaining Speech" at the Hynes Convention Center...
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