PTSD, or Post Traumatic Stress Disorder, is a disorder that develops in some people who have experienced a shocking, scary, or dangerous event, something outside the normal range of human experience. Symptoms may include flashbacks, nightmares and severe anxiety, as well as hyperarounsal, difficulty sleeping and mood swings.
The following statistics are based on the U.S. population (from https://www.ptsd.va.gov/):
- About 7 or 8 out of every 100 people (or 7-8% of the population) will have PTSD at some point in their lives.
- About 8 million adults have PTSD during a given year. This is only a small portion of those who have gone through a trauma.