FRIDAY, Nov. 13 (HealthDay News) -- Marijuana may help people with post-traumatic stress disorder (PTSD), according to a new study. PTSD affects 10 to 30 percent of people who experience a traumatic event, such as a car accident or terror attack. These people continue to suffer stress symptoms for months and even years after the incident. Israeli researchers conducted a series of experiments in which rats were subjected to stressful experiences, such as receiving electric shocks. The study found that the rats' stress levels could be reduced by giving them a synthetic form of marijuana that has properties similar to that of the natural plant. Further investigation revealed that the synthetic marijuana prevents increased release of a stress hormone the body releases in response to traumatic situations. "The results of our research should encourage psychiatric investigation into the use of cannabinoids in post-traumatic stress patients," wrote study author Dr. Irit Akirav of the department of psychology at the University of Haifa. The study was published in a recent issue of the Journal of Neuroscience. More information The U.S. National Institute of Mental Health has more about PTSD. (SOURCE: University of Haifa, news release, Nov. 4, 2009) Copyright © 2010
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