On June 27, the United States observes National Post Traumatic Stress Disorder Awareness Day.

Post-traumatic stress disorder (PTSD) is a mental health condition caused by a traumatic event that occurred in the past.

American soldiers from the Vietnam War returned home in 1971, but many were unable to erase the awful experiences they had experienced.

They started experiencing nightmares and under constant tension.

The Los Angeles Medical Center first recognised the illness in 2000.

Age has no bearing on PTSD, so it can affect people of any age or gender.

After experiencing a stressful event, the brain undergoes chemical and neurologic changes that lead to PTSD.

night terrors, repetition of an event, having trouble remembering stuff, sudden attack of fear, disregarding the incident's connected occurrences, Symptoms include irritability.

PTSD may be treated with behavioural therapy, trauma-focused cognitive behavioural therapy, or reprocessing therapy.