ScienceDaily Health Headlines
for Sunday, March 20, 2011
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New insight into the brain's ability to reorganize itself (March 19, 2011) -- New research brings scientists one step closer to to isolating the mechanisms by which the brain compensates for disruptions and reroutes neural functioning -- which could ultimately lead to treatments for cognitive impairments in humans caused by disease and aging. ... > full story
Enzyme can steer cells or possibly stop them in their tracks (March 19, 2011) -- Researchers have discovered that members of an enzyme family found in humans and throughout the plant and animal kingdoms play a crucial role in regulating cell motility. Their findings suggest an entirely new strategy for treating conditions ranging from diabetic ulcers to metastatic cancer. ... > full story
Secrets of plague revealed through super-resolution microscopy technique (March 19, 2011) -- In work that is pushing the "diffraction barrier" associated with microscopic imaging of living cells, researchers have demonstrated the power of a new super-resolution microscopy technique called Stochastic Optical Reconstruction Microscopy (STORM), which can simultaneously image multiple molecules in living immune cells. ... > full story
Terminology matters in parents' willingness to enroll their children in research (March 19, 2011) -- When presented with different terms to describe a clinical trial, parents were far more likely to consent to enroll their child if it was called a "research study" than if it was called a "medical experiment" or a "research project," in large part because they perceived the former as safer, even though that was not necessarily the case, according to a new report. ... > full story
Transmissible treatment proposed for HIV could target superspreaders to curb epidemic (March 19, 2011) -- Researchers propose a fundamentally new intervention for the HIV/AIDS epidemic based on engineered, virus-like particles that could subdue HIV infection within individual patients and spread to high-risk populations that are difficult for public health workers to reach. A model shows that their approach could work in concert with current treatments for HIV infection and lower the prevalence of infection more effectively than current drugs or proposed vaccines alone. ... > full story
Allergies? Pollen also appears outside flowering season (March 19, 2011) -- Researchers have shown that the pollen levels of certain plants, such as grasses and cupressaceae, can appear before or after the peak moment of flowering. This phenomenon is caused by the "resuspension" of pollen, and its dispersal over large distances, and this is of great use in predicting allergies. ... > full story
World record for DNA analysis (March 19, 2011) -- Until recently, researchers have been limited to running just a few DNA samples at a time, at a cost of about ,000 U.S. per run. Now researchers have hit upon a new method that allows 5,000 samples to be run at the same time and at the same price. This cuts the cost per sample result considerably and constitutes a world record for the number of tests run in a single DNA sequencing analysis. ... > full story
Electricity sparks interest in new technologies and cosmeceuticals for aging skin (March 19, 2011) -- It may seem as if new developments to combat aging skin are being introduced faster than the speed of light. At the forefront of the research, dermatologists are underpinning these advancements, refining the basic understanding of how the skin ages in order to develop more effective non-invasive cosmetic procedures and products. Now, as an alternative to laser light -- used successfully for years to make skin appear younger -- dermatologists are investigating electricity. ... > full story
Human prejudice has ancient evolutionary roots (March 18, 2011) -- The tendency to perceive others as "us versus them" isn't exclusively human but appears to be shared by our primate cousins, a new study has found. ... > full story
'Bilingual' neurons may reveal the secrets of brain disease (March 18, 2011) -- Researchers have discovered a type of "cellular bilingualism" -- a phenomenon that allows a single neuron to use two different methods of communication to exchange information. ... > full story
Human gender roles influence research on animals, Swedish biologists argue (March 18, 2011) -- Biologists have shown that animals' and plants' traits and behavior in sexual conflicts are colored by a human viewpoint. They want to raise awareness of the issue and provoke discussion among their colleagues in order to promote objectivity and broaden the research field. ... > full story
Epilepsy and coordination disorders: Important role for the cerebellum (March 18, 2011) -- Hereditary diseases such as epilepsy or various coordination disorders may be caused by changes in nerve cells of the cerebellum, which do not set in until after birth. ... > full story
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