Post-traumatic stress disorder (sometimes called PTSD) is a form of anxiety disorder. Some people develop this condition after they have experienced a traumatic event. This event might be a serious accident, physical or sexual assault, war or torture, or a natural disaster such as a bushfire or a flood. Strong reactions such as fear, horror, anger, sadness and hopelessness are natural after events like these, of course. In most cases, these feelings will pass after the normal working-through of emotions and talking things over in your own time with family, friends or colleagues.
Post-traumatic stress disorder is identified by three main groups of symptoms:

Flashbacks of the traumatic event through intrusive memories or nightmares. As well as strong emotions, there may be physical symptoms such as sweating, heart palpitations or panic attacks.

Feeling emotionally numb and avoiding situations that are reminders of the trauma. Avoiding possible reminders of the trauma can cause someone to lose interest in day-to-day activities and become detached from friends and family. Some people experience ‘dissociation’ – a feeling of watching from a distance as events unfold.

Feeling anxious and ‘jumpy’ for no reason. Heightened vigilance can mean the affected person is constantly on the lookout for danger, possibly leading to irritability and a lack of concentration.
The reason Jane constantly feels anxious and depressed is because she suffers from PTSD.
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Post-traumatic stress disorder is a mental health condition that's triggered by a terrifying event — either experiencing It or witnessing it. Symptoms may include flashbacks, nightmares and severe anxiety, as well as uncontrollable thoughts about the event.
it develops in some people who have experienced a shocking, scary, or dangerous event. It is natural to feel afraid during and after a traumatic situation. Fear triggers many split-second changes in the body to help defend against danger or to avoid it.
"some military veterans suffering from PTSD because of war"
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My doctor prescribed me with PTSD. I guess i got mad potential to stack dough 💪🏽💪🏽💪🏽
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Flippy from Happy Tree Friends has the most severe case of PTSD I've ever seen
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Post-traumatic stress disorder (PTSD) is a mental health condition that's triggered by a terrifying event — either experiencing it or witnessing it. Symptoms may include flashbacks, nightmares and severe anxiety, as well as uncontrollable thoughts about the event.
John: To musch LAsaga im having a PTSD
YOu: Lasaga hyPE
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