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MIT Study Sheds Light On The Brain's Ability To Change In Response To Learning
If you"ve ever felt doomed to repeat your mistakes, researchers at MIT"s Picower Institute for Learning and Memory may have explained why: Brain cells may only learn from experience when we do something right and not when we fail.
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Over Half Of People With Rheumatoid Arthritis Have Periodontitis
Over half (56%) of people with rheumatoid arthritis (RA) also have periodontitis (a chronic inflammatory disease of the gum and surrounding ligaments and bones that hold the teeth in place), displaying fewer teeth than healthy matched controls, high prevalence of oral sites presenting dental plaque and advanced attachment loss (the extent of periodontal support that has been destroyed around a tooth) (chi square p
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New HIV Saliva Test Delivers Results In Just 20 Minutes, UK
Patients being tested for HIV from a mouth swab placed in their mouth can now get their results in just 20 minutes.
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Alzheimer's Society Comment On New Research Into Heart Rhythm Disorder As A Risk Factor For Dementia

Researchers at the Intermountain Medical Center have conducted research into the link between atrial fibrillation, a fairly common heart rhythm disorder, and dementia. The study of more than 37,000 shows that patients with atrial fibrillation were 44% more likely to develop dementia than patients without the disorder. The large-scale retrospective study is the first to make clear that irregular heart rhythms increase the risk for both vascular and Alzheimer"s type dementia. The risk was most increased for people under 70 with irregular heart rhythms. Alzheimer"s Society comment: "Dementia is not a natural part of ageing and there are over 100 different forms, of which Alzheimer"s disease is the most common. We have known for some time that irregular heart rhythms increase the risk of stroke. What this large-scale study clearly shows us for the first time is that irregular heart rhythms can increase the risk of both vascular and Alzheimer"s type dementia. Knowing what puts people at risk of the two most commons forms of dementia could help us identify these individuals and investigate whether it is possible to develop targeted interventions that may reduce the risk. Research into dementia is desperately underfunded; but with the right investment it can be defeated." Full reference: "Atrial Fibrillation is Independently Associated with Senile, Vascular, and Alzheimer"s Dementia." Bunch TJ, Weiss JP, Crandall, BG et al. Presented at the annual scientific sessions of the Heart Rhythm Society, Boston, 15 May 2009. Alzheimer"s Society


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