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Unlocking The Mysteries Of The Brain: Investigators Search For Answers About Injuries, PTSD
In the first study of its kind, researchers at Saint Louis University are recruiting patients for a clinical trial that will use cutting-edge imaging equipment to map the brain injuries of combat veterans and civilians, aiming to better understand the nature of their injuries. Funded by a $5.3 million grant from the U.S. Department of Defense, researchers will use three types of imaging equipment together, producing better data and a more complete taxonomy of brain injuries, information that investigators hope may lead to better treatment for blast injuries and car accidents.
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Mouse Model Of Parkinson's Reproduces Nonmotor Symptoms
The classic symptoms of Parkinson"s disease involve tremor, stiffness and slow movements. Over the last decade, neurologists have been paying greater attention to non-motor symptoms, such as digestive and sleep problems, loss of sense of smell and depression.
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An Increase In Indigenous Medical Students Will Help Close The Gap, Australia
The Australian Medical Students" Association (AMSA) Global Health Conference continues today, with the focus turning towards our own backyard.
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No More Test Tubes On Four Feet? EPA Moves Toward Animal-free Toxicity Tests

The U.S. Environmental Protection Agency (EPA) plans to switch to a new generation of animal-free tests for predicting the toxicity of chemicals to humans, according to an article scheduled for the June 22 issue of Chemical & Engineering News, ACS" weekly newsmagazine. C&EN associate editor Britt Erickson points out that there are more than 80,000 chemicals on the market, with about 700 more added each year. Over the next ten years, EPA plans to increasingly rely on so-called toxicity-based pathways to evaluate these substances. This approach involves using human cell cultures to screen newly marketed chemicals for adverse effects. The new tests will produce results in a fraction of the time now required with animal studies. But the switch won"t be easy, the C&EN article notes. Some experts question the validity of these next-generation tests. Meanwhile, new technologies for predicting toxicity may emerge and complement conventional animal tests, according to the article. American Chemical Society


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