It can lead to angry and violent outbursts.
It is brought on by exposure to a terrifying or traumatic event.
500,000 of the 2.5 million soldiers who have served in Iraq and Afghanistan suffer from Post Traumatic Stress Disorder or Traumatic Brain Injury.
Those who have given their all for us are not getting all the help they need.
22 soldiers a day - 8000 a year - are killing themselves.
Another 45 per day - over 16,000 per year - make a failed attempt at suicide.
These men and women deserve better.
Please help get the word out. Pass this on to your family and friends.
For information on how to help, please go to Wound that Don't Bleed.com.