Marijuana blocks PTSD symptoms in rats: study JERUSALEM — Marijuana administered in a timely fashion could block the development of post-traumatic stress disorder symptoms in rats, a new study conducted at Haifa University has found.

The study, which was conducted by researchers at the university's psychology department and published in the Neuropsychopharmacology journal, found that rats which were treated with marijuana within 24 hours of a traumatic experience, successfully avoided any symptoms of PTSD."There is a critical 'window of time' after trauma, during which synthetic marijuana can help prevent symptoms similar to PTSD in rats," said Dr Irit Akirav who led the study.
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