ScienceDaily Health Headlines -- for Saturday, June 25, 2011 ~ Technology

Sabtu, 25 Juni 2011

ScienceDaily Health Headlines -- for Saturday, June 25, 2011

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ScienceDaily Health Headlines

for Saturday, June 25, 2011

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Some captive chimpanzees show signs of compromised mental health, research shows (June 24, 2011) -- A new study finds that serious behavioral abnormalities, some of which could be compared to mental illness in humans, are endemic among captive chimpanzees. While most behavior of zoo-living chimpanzees is 'normal' in that it is typical of their wild counterparts, abnormal behavior is endemic in this population despite enrichment efforts such as social housing, say researchers. ... > full story

Sepsis: Leaking blood vessels may be cause of infection-spreading condition, researchers suggest (June 24, 2011) -- Researchers have put forward a new theory as to what causes sepsis, an often fatal condition that occurs when infection spreads throughout the body. Leaking blood vessels may actually be a cause of sepsis, rather than a symptom as previously thought. ... > full story

Heart valve replacement without opening the chest gives new option for non-operable patients (June 24, 2011) -- An innovative approach for implanting a new aortic heart valve without open-heart surgery offers hope for patients with severe aortic stenosis who are at high-risk or not suitable candidates for open heart valve replacement surgery. ... > full story

Cut down on 'carbs' to reduce body fat, study authors say (June 24, 2011) -- A modest reduction in consumption of carbohydrate foods may promote loss of deep belly fat, even with little or no change in weight, a new study finds. ... > full story

Lithium profoundly prevents brain damage associated with Parkinson's disease, mouse study suggests (June 24, 2011) -- Lithium profoundly prevents the aggregation of toxic proteins and cell loss associated with Parkinson's disease (PD) in a mouse model of the condition. Preclinical research is aimed at determining correct dosages for a drug that continues to be the gold standard for treating bipolar disorder. Medical researchers are currently working toward initiating Phase IIa clinical studies of lithium in humans in conjunction with standard PD drug therapy. ... > full story

Oxytocin promises hope in Prader-Willi syndrome, research suggests (June 24, 2011) -- Prader-Willi syndrome is a rare genetic disorder which affects one child in 25,000. Children born with this syndrome have a range of complex neurological and developmental problems which continue into adult life. New research demonstrates that the hormone oxytocin is able to positively affect patients by improving trust, mood, and reducing disruptive behavior. ... > full story

Prejudice linked to women's menstrual cycle, study suggests (June 24, 2011) -- Women's bias against male strangers increases when women are fertile, suggesting prejudice may be partly fueled by genetics, according to a new study. ... > full story

Genes at the flick of a light switch: Human cells fitted with synthetic signaling cascade (June 24, 2011) -- Researchers from Switzerland have fitted human cells with a synthetic signaling cascade that can be used to switch on and regulate genes via blue light. This "gene light switch" makes interesting therapies possible, which could be used to treat type 2 diabetes, for instance. ... > full story

Competition between brain cells spurs memory circuit development (June 24, 2011) -- Scientists have for the first time demonstrated how memory circuits in the brain refine themselves in a living organism through two distinct types of competition between cells. Their results mark a step forward in the search for the causes of neurological disorders associated with abnormal brain circuits, such as Alzheimer's disease, autism and schizophrenia. ... > full story

Rare genetic disorder provides unique insight into Parkinson's disease (June 24, 2011) -- Researchers appear to have found the mechanism behind a previously reported link between the rare genetic condition Gaucher disease and the common neurodegenerative disorder Parkinson's disease. ... > full story

Patients with bowel disease eager to test 'fecal' therapy (June 24, 2011) -- The first study of the social and ethical issues associated with a provocative approach to treatment for ulcerative colitis has found that the majority of potential patients are eager for what is now called "fecal microbiota transplantation" to become available, although many have concerns about donor selection, screening, and methods of delivery. ... > full story

Next-generation gene sequencing brings personal genomics closer, IDs mutation in new syndrome (June 24, 2011) -- Harnessing the new generation of rapid, highly accurate gene-sequencing techniques, a research team has identified the disease-causing mutation in a newly characterized rare genetic disease, by analyzing DNA from just a few individuals. The power and speed of the innovative bioinformatics tool marks a step toward personalized genomics -- discovering causative mutations in individual patients. The previously unknown lethal syndrome has affected infant boys in two unrelated families. ... > full story

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