Geisinger research finds that veterans suffering from posttraumatic stress disorder (PTSD) are as likely to have long-term health problems as people with chronic disease risk factors such as an elevated white blood cell counts and biological signs and symptoms.
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The Journal of Rehabilitation Research and Development (JRRD) today released a single-topic issue on traumatic brain injury (TBI) and polytrauma. Focused on the diagnosis and treatment of TBI, this issue examines the clinical characteristics of military personnel returning from combat and describes several healthcare models that are providing care and support to them and their families.
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The largest and most up-to-date study of suicides among depressed veterans provides important new data that may help guide screening and treatment for all veterans.
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A small study suggests that adults whose parents are Holocaust survivors with post-traumatic stress disorder (PTSD) appear to have lower average levels of the stress hormone cortisol than the adult offspring of parents without PTSD, according to a report in the September issue of Archives of General Psychiatry, one of the JAMA/Archives journals.
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Research by neuroscientists shows that, with practice, people can suppress emotionally disturbing memories. Investigators say the finding could lead to therapies for individuals suffering from post-traumatic stress disorder.
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Severe stress can damage a child's brain, say researchers at the Stanford University School of Medicine and Lucile Packard Children's Hospital. The researchers found that children with post-traumatic stress disorder and high levels of the stress hormone cortisol were likely to experience a decrease in the size of the hippocampus - a brain structure important in memory processing and emotion.
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German researchers have found additional evidence that the stress hormone cortisol can have positive effects in certain situations. Although chronic stress, which brings long-term elevations of cortisol in the bloodstream, can weaken the immune system and induce depression, this new study adds to mounting evidence that cortisol given near in time to a physical or psychological stress may lessen the stressor's emotional impact.
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A new study on rats has identified a part of the brain's cortex that controls learned but not innate fear responses.
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