People with bipolar disorder -- or manic depression -- suffer from an accelerated shrinking of their brain, researchers at the University of Edinburgh have found.The study shows for the first time that bipolar disorder -- a condition characterised by periods of depression and periods of mania -- is
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The link between alcohol and aggression is well known. What's not so clear is just why drunks get belligerent. What is it about the brain-on-alcohol that makes fighting seem like a good idea "and do all intoxicated people get more aggressive" or "does it depend on the circumstances"?University of K
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A research with experimental rats carried out by the Institute of Neuroscience of the UAB describes the brain region connected to how our declarative memory functions. According to this experiment, part of the prefrontal cortex plays a key role in the social transmission of food preference. This re
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Statins are not all equal when it comes to their potential to guard against dementia, according to a study published in the online open access journal BMC Medicine. Statins are cholesterol-lowering drugs used by those with heart disease. The new findings suggest that simvastatin is associated with
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A drug that is already approved for use against nicotine addiction also works against alcohol dependence, suggests a new US study on rats. The effect is yet to be tested on humans. [click link for full article]
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An international group of Alzheimer's disease (AD) experts have proposed new criteria for the reasearch diagnosis of the condition, as they argue the existing criteria are out of date due to unprecedented growth of scientific knowledge in the field. The proposal is put forward in a Position Paper p
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Researchers have identified a new gene mutation linked to frontotemporal dementia, according to a study published in the July 10, 2007, issue of Neurology®, the medical journal of the American Academy of Neurology. Frontotemporal dementia, one form of which is known as Pick's disease, involves prog
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Scientists' hunt for the cause of depression has implicated so many suspects and found so many treatments with different mechanisms that the condition remains an enigma. Now researchers at the Stanford University School of Medicine have identified one unifying principle that could explain how a ran
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The Director of the Neuroscience Research Program at the Garvan Institute of Medical Research, Professor Herbert Herzog, together with scientists from the US and Slovakia, have shown that neuropeptide Y (NPY), a molecule the body releases when stressed, can 'unlock' Y2 receptors in the body's fat c
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