Post Traumatic Stress Disorder

Q&A: Treatment with medical cannabis

Dear Mayo Clinic: Medical marijuana is now legal in the state where I live. What conditions can it be used for and how effective is it? Do people who use medical marijuana need to be concerned about addiction?

Sep 27, 2018
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Protecting against brain injuries

Professor Antoine Jerusalem of Oxford University's Department of Engineering Science explains how a better understanding of the physical mechanisms behind brain injuries can pave the way for novel therapies and new protective ...

Aug 22, 2018
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Posttraumatic stress disorder (PTSD) is a severe anxiety disorder that can develop after exposure to any event that results in psychological trauma. This event may involve the threat of death to oneself or to someone else, or to one's own or someone else's physical, sexual, or psychological integrity, overwhelming the individual's ability to cope. As an effect of psychological trauma, PTSD is less frequent and more enduring than the more commonly seen acute stress response. Diagnostic symptoms for PTSD include re-experiencing the original trauma(s) through flashbacks or nightmares, avoidance of stimuli associated with the trauma, and increased arousal—such as difficulty falling or staying asleep, anger, and hypervigilance. Formal diagnostic criteria (both DSM-IV-TR and ICD-10) require that the symptoms last more than one month and cause significant impairment in social, occupational, or other important areas of functioning.

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