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Health Sciences
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Today's news headlines from the sources selected by our team:
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Untreated Depressed People Have Fewer Serotonin & Opioid Receptors, And Variation Is Linked To Symptoms And Treatment Response
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Depressed people may have far fewer of the receptors for some of the brain's "feel good" stress-response chemicals than non-depressed people, new University of Michigan Depression Center research shows.And even among depressed people, the numbers of these receptors can vary greatly.
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New Genetic Models Could Be Key To Understanding Underlying Mechanisms Of Cardiac Arrhythmias, Sudden Cardiac Death
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A new study by researchers at Rhode Island Hospital provides much-needed insight into the molecular mechanisms that cause arrythmia, or irregular heartbeat, and how it triggers sudden cardiac death, one of the nation's leading killers.
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Swimmer Needs 20 Stitches After Pelican Crashed Into Her
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Debbie Shoemaker, 50, was swimming off the Florida coast in Treasure Island waters, near St. Petersburg, when a pelican which was apparently diving for fish crashed into her by mistake and tore a gash into Shoemaker's cheek with its long beak. The bird did not survive the collision. Shoemaker, from Toledo, Ohio, USA, was immediately taken to hospital where she needed 20 stitches.
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Fruit fly avoidance mechanism could lead to new ways to control pain in humans
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(University of Georgia) A team of researchers from the University of Georgia has discovered for the first time that the important developmental switch from food attraction to aversion in the fruit fly larva is controlled by a timing mechanism in the brain and its sensory system. The study shows how this important avoidance mechanism has been recruited into evolutionary processes to promote development and could lead to new methods of controlling pain in humans and other animals.
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Naltrexone is effective for Alaska Natives and other Alaskans living in rural areas
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(Alcoholism: Clinical & Experimental Research) Access to treatment for alcohol dependence in rural and remote areas is limited. This study evaluated the effectiveness of two pharmacotherapies for AD -- naltrexone alone, and in combination with sertraline -- among Alaska Natives and other Alaskans living in rural settings. Findings indicate that naltrexone is just as effective on its own as it is in combination with sertraline.
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Men are more likely than women to crave alcohol when they feel negative emotions
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(Alcoholism: Clinical & Experimental Research) Women and men tend to have different types of stress-related psychological disorders. Women have greater rates of depression and some types of anxiety disorders than men, while men have greater rates of alcohol-use disorders than women. A new study of emotional and alcohol-craving responses to stress has found that when men become upset, they are more likely than women to want alcohol.
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