Answer:
The answer is a post-traumatic stress disorder.
Explanation:
Post-traumatic stress disorder refers to a mental health condition that is provoked by the existence of a terrifying event. The individual could have experienced it or he or she could have been a witness of it.
Some symptoms related to this disorder include flashbacks, nightmares as well as severe anxiety. Another symptom can be the existence of uncontrollable thoughts concerning the event. Most people who experience this kind of disorder have difficulty related to adjusting and coping. However, it can be controlled through good self-care.