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Snoring May Impair Brain Function
It has been linked to learning impairment, stroke and premature death. Now UNSW research has found that snoring associated with sleep apnoea may impair brain function more than previously thought.
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Bio-Inspired Cilia Mix Medical Reagents At Small Scales
The equipment used for biomedical research is shrinking, but the physical properties of the fluids under investigation are not changing. This creates a problem: the reservoirs that hold the liquid are now so small that forces between molecules on the liquid"s surface dominate, and one can no longer shake the container to mix two fluids. Instead, researchers must bide their time and wait for diffusion to occur.
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High Intake Of Linoleic Acid Associated To A Third Of Ulcerative Colitis Cases
A research published ahead of print in Gut (International Journal of Gastroenterology and Hepatology) reports that high intakes of linoleic acid might be associated to a third of ulcerative colitis cases. Linoleic acid is a common dietary polyunsaturated fatty acid (N-6 PUFA).
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Behavioral And Neural Effects Of Bihemispheric Brain Stimulation On Stroke Recovery

Researchers in the Neuroimaging and Stroke Recovery Laboratory at Beth Israel Deaconess Medical Center / Harvard Medical School are using a novel treatment for chronic stroke patients. The non-invasive technique of dual-hemisphere transcranial direct current stimulation (tDCS) uses electrical stimulation to modulate brain activity while simultaneous engaging the paretic arm/hand in sensorimotor activities. They studied chronic stroke patients who had movement problems after a stroke in a randomized clinical trial. The patients were divided into groups receiving either the electrical stimulation or placebo stimulation while receiving occupational therapy (OT) at the same time. After only 5 treatment sessions, patients receiving real stimulation and OT significantly improved in their motor functions, while control patients (receiving placebo stimulation and OT) showed no significant improvement. Functional magnetic resonance imaging showed increased brain activity in areas that control limb movement on the affected side for patients who received the real tDCS. It is important to notice that these changes were found in patients whose strokes had occurred on average about 3 years prior to the study, when patients are typically considered to be stable and unlikely to experience further improvement. This new treatment offers hope for patients debilitated by strokes. Authors: R Lindenberg, LL Zhu, V Renga, D Nair, G Schlaug, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States Organization for Human Brain Mapping


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