PTSD is a mental illness which develops when a person is exposed to actual or threatened death, serious injury or sexual violence.
PTSD sufferers experience intrusive memories and flashbacks of the event.
These experiences can affect their physical and mental health, relationships, work and daily activities.
PTSD affects about 4%
It is common in professions where exposure to trauma is common such as war veterans, first responders, police officers and emergency services.
There are good chances of recovery with the right help.
More Info:
https://www.yourhealthinmind.org/mental-illnesses-disorders/ptsd
https://www.beyondblue.org.au/mental-health/anxiety/types-of-anxiety/ptsd
https://www.dva.gov.au/newsroom/latest-news-veterans/lets-talk-about-posttraumatic-stress-disorder